19751600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^2$

素因数の和:163

約数の個数: 90

約数和(自身を含む): 52551324

約数和(自身を除く): 32799724

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 67, 80, 88, 100, 110, 134, 176, 200, 220, 268, 275, 335, 400, 440, 536, 550, 670, 737, 880, 1072, 1100, 1340, 1474, 1675, 2200, 2680, 2948, 3350, 3685, 4400, 4489, 5360, 5896, 6700, 7370, 8978, 11792, 13400, 14740, 17956, 18425, 22445, 26800, 29480, 35912, 36850, 44890, 49379, 58960, 71824, 73700, 89780, 98758, 112225, 147400, 179560, 197516, 224450, 246895, 294800, 359120, 395032, 448900, 493790, 790064, 897800, 987580, 1234475, 1795600, 1975160, 2468950, 3950320, 4937900, 9875800, 19751600]

約数ペア:

[(1, 19751600), (2, 9875800), (4, 4937900), (5, 3950320), (8, 2468950), (10, 1975160), (11, 1795600), (16, 1234475), (20, 987580), (22, 897800), (25, 790064), (40, 493790), (44, 448900), (50, 395032), (55, 359120), (67, 294800), (80, 246895), (88, 224450), (100, 197516), (110, 179560), (134, 147400), (176, 112225), (200, 98758), (220, 89780), (268, 73700), (275, 71824), (335, 58960), (400, 49379), (440, 44890), (536, 36850), (550, 35912), (670, 29480), (737, 26800), (880, 22445), (1072, 18425), (1100, 17956), (1340, 14740), (1474, 13400), (1675, 11792), (2200, 8978), (2680, 7370), (2948, 6700), (3350, 5896), (3685, 5360), (4400, 4489)]