25946440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 64456560

約数和(自身を除く): 38510120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1217, 1640, 2132, 2434, 2665, 4264, 4868, 5330, 6085, 9736, 10660, 12170, 15821, 21320, 24340, 31642, 48680, 49897, 63284, 79105, 99794, 126568, 158210, 199588, 249485, 316420, 399176, 498970, 632840, 648661, 997940, 1297322, 1995880, 2594644, 3243305, 5189288, 6486610, 12973220, 25946440]

約数ペア:

[(1, 25946440), (2, 12973220), (4, 6486610), (5, 5189288), (8, 3243305), (10, 2594644), (13, 1995880), (20, 1297322), (26, 997940), (40, 648661), (41, 632840), (52, 498970), (65, 399176), (82, 316420), (104, 249485), (130, 199588), (164, 158210), (205, 126568), (260, 99794), (328, 79105), (410, 63284), (520, 49897), (533, 48680), (820, 31642), (1066, 24340), (1217, 21320), (1640, 15821), (2132, 12170), (2434, 10660), (2665, 9736), (4264, 6085), (4868, 5330)]