51230920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 125737920

約数和(自身を除く): 74507000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1187, 1660, 2158, 2374, 3320, 4316, 4748, 5395, 5935, 8632, 9496, 10790, 11870, 15431, 21580, 23740, 30862, 43160, 47480, 61724, 77155, 98521, 123448, 154310, 197042, 308620, 394084, 492605, 617240, 788168, 985210, 1280773, 1970420, 2561546, 3940840, 5123092, 6403865, 10246184, 12807730, 25615460, 51230920]

約数ペア:

[(1, 51230920), (2, 25615460), (4, 12807730), (5, 10246184), (8, 6403865), (10, 5123092), (13, 3940840), (20, 2561546), (26, 1970420), (40, 1280773), (52, 985210), (65, 788168), (83, 617240), (104, 492605), (130, 394084), (166, 308620), (260, 197042), (332, 154310), (415, 123448), (520, 98521), (664, 77155), (830, 61724), (1079, 47480), (1187, 43160), (1660, 30862), (2158, 23740), (2374, 21580), (3320, 15431), (4316, 11870), (4748, 10790), (5395, 9496), (5935, 8632)]