139962520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2753}}^1$

素因数の和:2836

約数の個数: 64

約数和(自身を含む): 333123840

約数和(自身を除く): 193161320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 2753, 5084, 5506, 6355, 10168, 11012, 12710, 13765, 22024, 25420, 27530, 50840, 55060, 85343, 110120, 112873, 170686, 225746, 341372, 426715, 451492, 564365, 682744, 853430, 902984, 1128730, 1706860, 2257460, 3413720, 3499063, 4514920, 6998126, 13996252, 17495315, 27992504, 34990630, 69981260, 139962520]

約数ペア:

[(1, 139962520), (2, 69981260), (4, 34990630), (5, 27992504), (8, 17495315), (10, 13996252), (20, 6998126), (31, 4514920), (40, 3499063), (41, 3413720), (62, 2257460), (82, 1706860), (124, 1128730), (155, 902984), (164, 853430), (205, 682744), (248, 564365), (310, 451492), (328, 426715), (410, 341372), (620, 225746), (820, 170686), (1240, 112873), (1271, 110120), (1640, 85343), (2542, 55060), (2753, 50840), (5084, 27530), (5506, 25420), (6355, 22024), (10168, 13765), (11012, 12710)]