72030640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81853}}^1$

素因数の和:81877

約数の個数: 40

約数和(自身を含む): 182698128

約数和(自身を除く): 110667488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81853, 163706, 327412, 409265, 654824, 818530, 900383, 1309648, 1637060, 1800766, 3274120, 3601532, 4501915, 6548240, 7203064, 9003830, 14406128, 18007660, 36015320, 72030640]

約数ペア:

[(1, 72030640), (2, 36015320), (4, 18007660), (5, 14406128), (8, 9003830), (10, 7203064), (11, 6548240), (16, 4501915), (20, 3601532), (22, 3274120), (40, 1800766), (44, 1637060), (55, 1309648), (80, 900383), (88, 818530), (110, 654824), (176, 409265), (220, 327412), (440, 163706), (880, 81853)]