81081680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34949}}^1$

素因数の和:34991

約数の個数: 40

約数和(自身を含む): 195021000

約数和(自身を除く): 113939320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 34949, 69898, 139796, 174745, 279592, 349490, 559184, 698980, 1013521, 1397960, 2027042, 2795920, 4054084, 5067605, 8108168, 10135210, 16216336, 20270420, 40540840, 81081680]

約数ペア:

[(1, 81081680), (2, 40540840), (4, 20270420), (5, 16216336), (8, 10135210), (10, 8108168), (16, 5067605), (20, 4054084), (29, 2795920), (40, 2027042), (58, 1397960), (80, 1013521), (116, 698980), (145, 559184), (232, 349490), (290, 279592), (464, 174745), (580, 139796), (1160, 69898), (2320, 34949)]