42534440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 103919760

約数和(自身を除く): 61385320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 521, 628, 785, 1042, 1256, 1570, 2041, 2084, 2605, 3140, 4082, 4168, 5210, 6280, 6773, 8164, 10205, 10420, 13546, 16328, 20410, 20840, 27092, 33865, 40820, 54184, 67730, 81640, 81797, 135460, 163594, 270920, 327188, 408985, 654376, 817970, 1063361, 1635940, 2126722, 3271880, 4253444, 5316805, 8506888, 10633610, 21267220, 42534440]

約数ペア:

[(1, 42534440), (2, 21267220), (4, 10633610), (5, 8506888), (8, 5316805), (10, 4253444), (13, 3271880), (20, 2126722), (26, 1635940), (40, 1063361), (52, 817970), (65, 654376), (104, 408985), (130, 327188), (157, 270920), (260, 163594), (314, 135460), (520, 81797), (521, 81640), (628, 67730), (785, 54184), (1042, 40820), (1256, 33865), (1570, 27092), (2041, 20840), (2084, 20410), (2605, 16328), (3140, 13546), (4082, 10420), (4168, 10205), (5210, 8164), (6280, 6773)]