39960800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 112492800

約数和(自身を除く): 72532000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 239, 275, 304, 352, 380, 400, 418, 440, 475, 478, 550, 608, 760, 800, 836, 880, 950, 956, 1045, 1100, 1195, 1520, 1672, 1760, 1900, 1912, 2090, 2200, 2390, 2629, 3040, 3344, 3800, 3824, 4180, 4400, 4541, 4780, 5225, 5258, 5975, 6688, 7600, 7648, 8360, 8800, 9082, 9560, 10450, 10516, 11950, 13145, 15200, 16720, 18164, 19120, 20900, 21032, 22705, 23900, 26290, 33440, 36328, 38240, 41800, 42064, 45410, 47800, 49951, 52580, 65725, 72656, 83600, 84128, 90820, 95600, 99902, 105160, 113525, 131450, 145312, 167200, 181640, 191200, 199804, 210320, 227050, 249755, 262900, 363280, 399608, 420640, 454100, 499510, 525800, 726560, 799216, 908200, 999020, 1051600, 1248775, 1598432, 1816400, 1998040, 2103200, 2497550, 3632800, 3996080, 4995100, 7992160, 9990200, 19980400, 39960800]

約数ペア:

[(1, 39960800), (2, 19980400), (4, 9990200), (5, 7992160), (8, 4995100), (10, 3996080), (11, 3632800), (16, 2497550), (19, 2103200), (20, 1998040), (22, 1816400), (25, 1598432), (32, 1248775), (38, 1051600), (40, 999020), (44, 908200), (50, 799216), (55, 726560), (76, 525800), (80, 499510), (88, 454100), (95, 420640), (100, 399608), (110, 363280), (152, 262900), (160, 249755), (176, 227050), (190, 210320), (200, 199804), (209, 191200), (220, 181640), (239, 167200), (275, 145312), (304, 131450), (352, 113525), (380, 105160), (400, 99902), (418, 95600), (440, 90820), (475, 84128), (478, 83600), (550, 72656), (608, 65725), (760, 52580), (800, 49951), (836, 47800), (880, 45410), (950, 42064), (956, 41800), (1045, 38240), (1100, 36328), (1195, 33440), (1520, 26290), (1672, 23900), (1760, 22705), (1900, 21032), (1912, 20900), (2090, 19120), (2200, 18164), (2390, 16720), (2629, 15200), (3040, 13145), (3344, 11950), (3800, 10516), (3824, 10450), (4180, 9560), (4400, 9082), (4541, 8800), (4780, 8360), (5225, 7648), (5258, 7600), (5975, 6688)]