72636520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165083}}^1$

素因数の和:165105

約数の個数: 32

約数和(自身を含む): 178290720

約数和(自身を除く): 105654200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 165083, 330166, 660332, 825415, 1320664, 1650830, 1815913, 3301660, 3631826, 6603320, 7263652, 9079565, 14527304, 18159130, 36318260, 72636520]

約数ペア:

[(1, 72636520), (2, 36318260), (4, 18159130), (5, 14527304), (8, 9079565), (10, 7263652), (11, 6603320), (20, 3631826), (22, 3301660), (40, 1815913), (44, 1650830), (55, 1320664), (88, 825415), (110, 660332), (220, 330166), (440, 165083)]