1639376440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{35423}}^1$

素因数の和:35536

約数の個数: 64

約数和(自身を含む): 4017081600

約数和(自身を除く): 2377705160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 5785, 9256, 11570, 23140, 35423, 46280, 70846, 141692, 177115, 283384, 354230, 460499, 708460, 920998, 1416920, 1841996, 2302495, 3152647, 3683992, 4604990, 6305294, 9209980, 12610588, 15763235, 18419960, 25221176, 31526470, 40984411, 63052940, 81968822, 126105880, 163937644, 204922055, 327875288, 409844110, 819688220, 1639376440]

約数ペア:

[(1, 1639376440), (2, 819688220), (4, 409844110), (5, 327875288), (8, 204922055), (10, 163937644), (13, 126105880), (20, 81968822), (26, 63052940), (40, 40984411), (52, 31526470), (65, 25221176), (89, 18419960), (104, 15763235), (130, 12610588), (178, 9209980), (260, 6305294), (356, 4604990), (445, 3683992), (520, 3152647), (712, 2302495), (890, 1841996), (1157, 1416920), (1780, 920998), (2314, 708460), (3560, 460499), (4628, 354230), (5785, 283384), (9256, 177115), (11570, 141692), (23140, 70846), (35423, 46280)]