27859000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2177

約数の個数: 64

約数和(自身を含む): 70237440

約数和(自身を除く): 42378440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2143, 2600, 3250, 4286, 6500, 8572, 10715, 13000, 17144, 21430, 27859, 42860, 53575, 55718, 85720, 107150, 111436, 139295, 214300, 222872, 267875, 278590, 428600, 535750, 557180, 696475, 1071500, 1114360, 1392950, 2143000, 2785900, 3482375, 5571800, 6964750, 13929500, 27859000]

約数ペア:

[(1, 27859000), (2, 13929500), (4, 6964750), (5, 5571800), (8, 3482375), (10, 2785900), (13, 2143000), (20, 1392950), (25, 1114360), (26, 1071500), (40, 696475), (50, 557180), (52, 535750), (65, 428600), (100, 278590), (104, 267875), (125, 222872), (130, 214300), (200, 139295), (250, 111436), (260, 107150), (325, 85720), (500, 55718), (520, 53575), (650, 42860), (1000, 27859), (1300, 21430), (1625, 17144), (2143, 13000), (2600, 10715), (3250, 8572), (4286, 6500)]