51892880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1284

約数の個数: 80

約数和(自身を含む): 133210224

約数和(自身を除く): 81317344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1217, 1640, 2132, 2434, 2665, 3280, 4264, 4868, 5330, 6085, 8528, 9736, 10660, 12170, 15821, 19472, 21320, 24340, 31642, 42640, 48680, 49897, 63284, 79105, 97360, 99794, 126568, 158210, 199588, 249485, 253136, 316420, 399176, 498970, 632840, 648661, 798352, 997940, 1265680, 1297322, 1995880, 2594644, 3243305, 3991760, 5189288, 6486610, 10378576, 12973220, 25946440, 51892880]

約数ペア:

[(1, 51892880), (2, 25946440), (4, 12973220), (5, 10378576), (8, 6486610), (10, 5189288), (13, 3991760), (16, 3243305), (20, 2594644), (26, 1995880), (40, 1297322), (41, 1265680), (52, 997940), (65, 798352), (80, 648661), (82, 632840), (104, 498970), (130, 399176), (164, 316420), (205, 253136), (208, 249485), (260, 199588), (328, 158210), (410, 126568), (520, 99794), (533, 97360), (656, 79105), (820, 63284), (1040, 49897), (1066, 48680), (1217, 42640), (1640, 31642), (2132, 24340), (2434, 21320), (2665, 19472), (3280, 15821), (4264, 12170), (4868, 10660), (5330, 9736), (6085, 8528)]