16354900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4044

約数の個数: 36

約数和(自身を含む): 36364860

約数和(自身を除く): 20009960

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 3989, 4100, 7978, 15956, 19945, 39890, 79780, 99725, 163549, 199450, 327098, 398900, 654196, 817745, 1635490, 3270980, 4088725, 8177450, 16354900]

約数ペア:

[(1, 16354900), (2, 8177450), (4, 4088725), (5, 3270980), (10, 1635490), (20, 817745), (25, 654196), (41, 398900), (50, 327098), (82, 199450), (100, 163549), (164, 99725), (205, 79780), (410, 39890), (820, 19945), (1025, 15956), (2050, 7978), (3989, 4100)]