42078920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4259}}^1$

素因数の和:4302

約数の個数: 64

約数和(自身を含む): 107352000

約数和(自身を除く): 65273080

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4259, 4940, 8518, 9880, 17036, 21295, 34072, 42590, 55367, 80921, 85180, 110734, 161842, 170360, 221468, 276835, 323684, 404605, 442936, 553670, 647368, 809210, 1051973, 1107340, 1618420, 2103946, 2214680, 3236840, 4207892, 5259865, 8415784, 10519730, 21039460, 42078920]

約数ペア:

[(1, 42078920), (2, 21039460), (4, 10519730), (5, 8415784), (8, 5259865), (10, 4207892), (13, 3236840), (19, 2214680), (20, 2103946), (26, 1618420), (38, 1107340), (40, 1051973), (52, 809210), (65, 647368), (76, 553670), (95, 442936), (104, 404605), (130, 323684), (152, 276835), (190, 221468), (247, 170360), (260, 161842), (380, 110734), (494, 85180), (520, 80921), (760, 55367), (988, 42590), (1235, 34072), (1976, 21295), (2470, 17036), (4259, 9880), (4940, 8518)]