1026684880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26681}}^1$

素因数の和:26744

約数の個数: 80

約数和(自身を含む): 2640237264

約数和(自身を除く): 1613552384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 26681, 38480, 53362, 106724, 133405, 213448, 266810, 346853, 426896, 533620, 693706, 987197, 1067240, 1387412, 1734265, 1974394, 2134480, 2774824, 3468530, 3948788, 4935985, 5549648, 6937060, 7897576, 9871970, 12833561, 13874120, 15795152, 19743940, 25667122, 27748240, 39487880, 51334244, 64167805, 78975760, 102668488, 128335610, 205336976, 256671220, 513342440, 1026684880]

約数ペア:

[(1, 1026684880), (2, 513342440), (4, 256671220), (5, 205336976), (8, 128335610), (10, 102668488), (13, 78975760), (16, 64167805), (20, 51334244), (26, 39487880), (37, 27748240), (40, 25667122), (52, 19743940), (65, 15795152), (74, 13874120), (80, 12833561), (104, 9871970), (130, 7897576), (148, 6937060), (185, 5549648), (208, 4935985), (260, 3948788), (296, 3468530), (370, 2774824), (481, 2134480), (520, 1974394), (592, 1734265), (740, 1387412), (962, 1067240), (1040, 987197), (1480, 693706), (1924, 533620), (2405, 426896), (2960, 346853), (3848, 266810), (4810, 213448), (7696, 133405), (9620, 106724), (19240, 53362), (26681, 38480)]