26914420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 61902288

約数和(自身を除く): 34987868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1697, 3172, 3394, 3965, 6788, 7930, 8485, 15860, 16970, 22061, 33940, 44122, 88244, 103517, 110305, 207034, 220610, 414068, 441220, 517585, 1035170, 1345721, 2070340, 2691442, 5382884, 6728605, 13457210, 26914420]

約数ペア:

[(1, 26914420), (2, 13457210), (4, 6728605), (5, 5382884), (10, 2691442), (13, 2070340), (20, 1345721), (26, 1035170), (52, 517585), (61, 441220), (65, 414068), (122, 220610), (130, 207034), (244, 110305), (260, 103517), (305, 88244), (610, 44122), (793, 33940), (1220, 22061), (1586, 16970), (1697, 15860), (3172, 8485), (3394, 7930), (3965, 6788)]