40152016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 82360800

約数和(自身を除く): 42208784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 269, 304, 491, 538, 982, 1076, 1964, 2152, 3928, 4304, 5111, 7856, 9329, 10222, 18658, 20444, 37316, 40888, 74632, 81776, 132079, 149264, 264158, 528316, 1056632, 2113264, 2509501, 5019002, 10038004, 20076008, 40152016]

約数ペア:

[(1, 40152016), (2, 20076008), (4, 10038004), (8, 5019002), (16, 2509501), (19, 2113264), (38, 1056632), (76, 528316), (152, 264158), (269, 149264), (304, 132079), (491, 81776), (538, 74632), (982, 40888), (1076, 37316), (1964, 20444), (2152, 18658), (3928, 10222), (4304, 9329), (5111, 7856)]