13888961840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{42667}}^1$

素因数の和:43006

約数の個数: 80

約数和(自身を含む): 34887746208

約数和(自身を除く): 20998784368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 313, 520, 626, 1040, 1252, 1565, 2504, 3130, 4069, 5008, 6260, 8138, 12520, 16276, 20345, 25040, 32552, 40690, 42667, 65104, 81380, 85334, 162760, 170668, 213335, 325520, 341336, 426670, 554671, 682672, 853340, 1109342, 1706680, 2218684, 2773355, 3413360, 4437368, 5546710, 8874736, 11093420, 13354771, 22186840, 26709542, 44373680, 53419084, 66773855, 106838168, 133547710, 173612023, 213676336, 267095420, 347224046, 534190840, 694448092, 868060115, 1068381680, 1388896184, 1736120230, 2777792368, 3472240460, 6944480920, 13888961840]

約数ペア:

[(1, 13888961840), (2, 6944480920), (4, 3472240460), (5, 2777792368), (8, 1736120230), (10, 1388896184), (13, 1068381680), (16, 868060115), (20, 694448092), (26, 534190840), (40, 347224046), (52, 267095420), (65, 213676336), (80, 173612023), (104, 133547710), (130, 106838168), (208, 66773855), (260, 53419084), (313, 44373680), (520, 26709542), (626, 22186840), (1040, 13354771), (1252, 11093420), (1565, 8874736), (2504, 5546710), (3130, 4437368), (4069, 3413360), (5008, 2773355), (6260, 2218684), (8138, 1706680), (12520, 1109342), (16276, 853340), (20345, 682672), (25040, 554671), (32552, 426670), (40690, 341336), (42667, 325520), (65104, 213335), (81380, 170668), (85334, 162760)]