81732640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46439}}^1$

素因数の和:46465

約数の個数: 48

約数和(自身を含む): 210651840

約数和(自身を除く): 128919200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 46439, 92878, 185756, 232195, 371512, 464390, 510829, 743024, 928780, 1021658, 1486048, 1857560, 2043316, 2554145, 3715120, 4086632, 5108290, 7430240, 8173264, 10216580, 16346528, 20433160, 40866320, 81732640]

約数ペア:

[(1, 81732640), (2, 40866320), (4, 20433160), (5, 16346528), (8, 10216580), (10, 8173264), (11, 7430240), (16, 5108290), (20, 4086632), (22, 3715120), (32, 2554145), (40, 2043316), (44, 1857560), (55, 1486048), (80, 1021658), (88, 928780), (110, 743024), (160, 510829), (176, 464390), (220, 371512), (352, 232195), (440, 185756), (880, 92878), (1760, 46439)]