100740800

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:898

約数の個数: 84

約数和(自身を含む): 251338080

約数和(自身を除く): 150597280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 797, 800, 1264, 1580, 1594, 1600, 1975, 2528, 3160, 3188, 3950, 3985, 5056, 6320, 6376, 7900, 7970, 12640, 12752, 15800, 15940, 19925, 25280, 25504, 31600, 31880, 39850, 51008, 62963, 63200, 63760, 79700, 125926, 126400, 127520, 159400, 251852, 255040, 314815, 318800, 503704, 629630, 637600, 1007408, 1259260, 1275200, 1574075, 2014816, 2518520, 3148150, 4029632, 5037040, 6296300, 10074080, 12592600, 20148160, 25185200, 50370400, 100740800]

約数ペア:

[(1, 100740800), (2, 50370400), (4, 25185200), (5, 20148160), (8, 12592600), (10, 10074080), (16, 6296300), (20, 5037040), (25, 4029632), (32, 3148150), (40, 2518520), (50, 2014816), (64, 1574075), (79, 1275200), (80, 1259260), (100, 1007408), (158, 637600), (160, 629630), (200, 503704), (316, 318800), (320, 314815), (395, 255040), (400, 251852), (632, 159400), (790, 127520), (797, 126400), (800, 125926), (1264, 79700), (1580, 63760), (1594, 63200), (1600, 62963), (1975, 51008), (2528, 39850), (3160, 31880), (3188, 31600), (3950, 25504), (3985, 25280), (5056, 19925), (6320, 15940), (6376, 15800), (7900, 12752), (7970, 12640)]