139659260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1031}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 316757952

約数和(自身を除く): 177098692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 521, 1031, 1042, 2062, 2084, 2605, 4124, 5155, 5210, 6773, 10310, 10420, 13403, 13546, 20620, 26806, 27092, 33865, 53612, 67015, 67730, 134030, 135460, 268060, 537151, 1074302, 2148604, 2685755, 5371510, 6982963, 10743020, 13965926, 27931852, 34914815, 69829630, 139659260]

約数ペア:

[(1, 139659260), (2, 69829630), (4, 34914815), (5, 27931852), (10, 13965926), (13, 10743020), (20, 6982963), (26, 5371510), (52, 2685755), (65, 2148604), (130, 1074302), (260, 537151), (521, 268060), (1031, 135460), (1042, 134030), (2062, 67730), (2084, 67015), (2605, 53612), (4124, 33865), (5155, 27092), (5210, 26806), (6773, 20620), (10310, 13546), (10420, 13403)]