80141840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7207}}^1$

素因数の和:7359

約数の個数: 40

約数和(自身を含む): 187696320

約数和(自身を除く): 107554480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 7207, 11120, 14414, 28828, 36035, 57656, 72070, 115312, 144140, 288280, 576560, 1001773, 2003546, 4007092, 5008865, 8014184, 10017730, 16028368, 20035460, 40070920, 80141840]

約数ペア:

[(1, 80141840), (2, 40070920), (4, 20035460), (5, 16028368), (8, 10017730), (10, 8014184), (16, 5008865), (20, 4007092), (40, 2003546), (80, 1001773), (139, 576560), (278, 288280), (556, 144140), (695, 115312), (1112, 72070), (1390, 57656), (2224, 36035), (2780, 28828), (5560, 14414), (7207, 11120)]