26991805360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{100987}}^1$

素因数の和:101270

約数の個数: 80

約数和(自身を含む): 67846970016

約数和(自身を除く): 40855164656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 257, 260, 514, 520, 1028, 1040, 1285, 2056, 2570, 3341, 4112, 5140, 6682, 10280, 13364, 16705, 20560, 26728, 33410, 53456, 66820, 100987, 133640, 201974, 267280, 403948, 504935, 807896, 1009870, 1312831, 1615792, 2019740, 2625662, 4039480, 5251324, 6564155, 8078960, 10502648, 13128310, 21005296, 25953659, 26256620, 51907318, 52513240, 103814636, 105026480, 129768295, 207629272, 259536590, 337397567, 415258544, 519073180, 674795134, 1038146360, 1349590268, 1686987835, 2076292720, 2699180536, 3373975670, 5398361072, 6747951340, 13495902680, 26991805360]

約数ペア:

[(1, 26991805360), (2, 13495902680), (4, 6747951340), (5, 5398361072), (8, 3373975670), (10, 2699180536), (13, 2076292720), (16, 1686987835), (20, 1349590268), (26, 1038146360), (40, 674795134), (52, 519073180), (65, 415258544), (80, 337397567), (104, 259536590), (130, 207629272), (208, 129768295), (257, 105026480), (260, 103814636), (514, 52513240), (520, 51907318), (1028, 26256620), (1040, 25953659), (1285, 21005296), (2056, 13128310), (2570, 10502648), (3341, 8078960), (4112, 6564155), (5140, 5251324), (6682, 4039480), (10280, 2625662), (13364, 2019740), (16705, 1615792), (20560, 1312831), (26728, 1009870), (33410, 807896), (53456, 504935), (66820, 403948), (100987, 267280), (133640, 201974)]