137631520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66169}}^1$

素因数の和:66197

約数の個数: 48

約数和(自身を含む): 350171640

約数和(自身を除く): 212540120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 66169, 132338, 264676, 330845, 529352, 661690, 860197, 1058704, 1323380, 1720394, 2117408, 2646760, 3440788, 4300985, 5293520, 6881576, 8601970, 10587040, 13763152, 17203940, 27526304, 34407880, 68815760, 137631520]

約数ペア:

[(1, 137631520), (2, 68815760), (4, 34407880), (5, 27526304), (8, 17203940), (10, 13763152), (13, 10587040), (16, 8601970), (20, 6881576), (26, 5293520), (32, 4300985), (40, 3440788), (52, 2646760), (65, 2117408), (80, 1720394), (104, 1323380), (130, 1058704), (160, 860197), (208, 661690), (260, 529352), (416, 330845), (520, 264676), (1040, 132338), (2080, 66169)]