25715170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28716830

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 290, 359, 377, 494, 551, 718, 754, 1102, 1235, 1795, 1885, 2470, 2755, 3590, 3770, 4667, 5510, 6821, 7163, 9334, 10411, 13642, 14326, 20822, 23335, 34105, 35815, 46670, 52055, 68210, 71630, 88673, 104110, 135343, 177346, 197809, 270686, 395618, 443365, 676715, 886730, 989045, 1353430, 1978090, 2571517, 5143034, 12857585, 25715170]

約数ペア:

[(1, 25715170), (2, 12857585), (5, 5143034), (10, 2571517), (13, 1978090), (19, 1353430), (26, 989045), (29, 886730), (38, 676715), (58, 443365), (65, 395618), (95, 270686), (130, 197809), (145, 177346), (190, 135343), (247, 104110), (290, 88673), (359, 71630), (377, 68210), (494, 52055), (551, 46670), (718, 35815), (754, 34105), (1102, 23335), (1235, 20822), (1795, 14326), (1885, 13642), (2470, 10411), (2755, 9334), (3590, 7163), (3770, 6821), (4667, 5510)]