78788800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2186

約数の個数: 84

約数和(自身を含む): 202393296

約数和(自身を除く): 123604496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 575, 736, 800, 920, 1150, 1472, 1600, 1840, 2141, 2300, 3680, 4282, 4600, 7360, 8564, 9200, 10705, 17128, 18400, 21410, 34256, 36800, 42820, 49243, 53525, 68512, 85640, 98486, 107050, 137024, 171280, 196972, 214100, 246215, 342560, 393944, 428200, 492430, 685120, 787888, 856400, 984860, 1231075, 1575776, 1712800, 1969720, 2462150, 3151552, 3425600, 3939440, 4924300, 7878880, 9848600, 15757760, 19697200, 39394400, 78788800]

約数ペア:

[(1, 78788800), (2, 39394400), (4, 19697200), (5, 15757760), (8, 9848600), (10, 7878880), (16, 4924300), (20, 3939440), (23, 3425600), (25, 3151552), (32, 2462150), (40, 1969720), (46, 1712800), (50, 1575776), (64, 1231075), (80, 984860), (92, 856400), (100, 787888), (115, 685120), (160, 492430), (184, 428200), (200, 393944), (230, 342560), (320, 246215), (368, 214100), (400, 196972), (460, 171280), (575, 137024), (736, 107050), (800, 98486), (920, 85640), (1150, 68512), (1472, 53525), (1600, 49243), (1840, 42820), (2141, 36800), (2300, 34256), (3680, 21410), (4282, 18400), (4600, 17128), (7360, 10705), (8564, 9200)]