39499850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 80390688

約数和(自身を除く): 40890838

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 670, 871, 907, 1675, 1742, 1814, 3350, 4355, 4535, 8710, 9070, 11791, 21775, 22675, 23582, 43550, 45350, 58955, 60769, 117910, 121538, 294775, 303845, 589550, 607690, 789997, 1519225, 1579994, 3038450, 3949985, 7899970, 19749925, 39499850]

約数ペア:

[(1, 39499850), (2, 19749925), (5, 7899970), (10, 3949985), (13, 3038450), (25, 1579994), (26, 1519225), (50, 789997), (65, 607690), (67, 589550), (130, 303845), (134, 294775), (325, 121538), (335, 117910), (650, 60769), (670, 58955), (871, 45350), (907, 43550), (1675, 23582), (1742, 22675), (1814, 21775), (3350, 11791), (4355, 9070), (4535, 8710)]