138935680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16699}}^1$

素因数の和:16731

約数の個数: 64

約数和(自身を含む): 357714000

約数和(自身を除く): 218778320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 16699, 33398, 66796, 83495, 133592, 166990, 217087, 267184, 333980, 434174, 534368, 667960, 868348, 1068736, 1085435, 1335920, 1736696, 2137472, 2170870, 2671840, 3473392, 4341740, 5343680, 6946784, 8683480, 10687360, 13893568, 17366960, 27787136, 34733920, 69467840, 138935680]

約数ペア:

[(1, 138935680), (2, 69467840), (4, 34733920), (5, 27787136), (8, 17366960), (10, 13893568), (13, 10687360), (16, 8683480), (20, 6946784), (26, 5343680), (32, 4341740), (40, 3473392), (52, 2671840), (64, 2170870), (65, 2137472), (80, 1736696), (104, 1335920), (128, 1085435), (130, 1068736), (160, 868348), (208, 667960), (260, 534368), (320, 434174), (416, 333980), (520, 267184), (640, 217087), (832, 166990), (1040, 133592), (1664, 83495), (2080, 66796), (4160, 33398), (8320, 16699)]