42555890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^4\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 40

約数和(自身を含む): 83540700

約数和(自身を除く): 40984810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 169, 298, 338, 745, 845, 1490, 1690, 1937, 2197, 3874, 4394, 9685, 10985, 19370, 21970, 25181, 28561, 50362, 57122, 125905, 142805, 251810, 285610, 327353, 654706, 1636765, 3273530, 4255589, 8511178, 21277945, 42555890]

約数ペア:

[(1, 42555890), (2, 21277945), (5, 8511178), (10, 4255589), (13, 3273530), (26, 1636765), (65, 654706), (130, 327353), (149, 285610), (169, 251810), (298, 142805), (338, 125905), (745, 57122), (845, 50362), (1490, 28561), (1690, 25181), (1937, 21970), (2197, 19370), (3874, 10985), (4394, 9685)]