7405025680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{547709}}^1$

素因数の和:547748

約数の個数: 60

約数和(自身を含む): 18642952980

約数和(自身を除く): 11237927300

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 547709, 1095418, 2190836, 2738545, 4381672, 5477090, 7120217, 8763344, 10954180, 14240434, 21908360, 28480868, 35601085, 43816720, 56961736, 71202170, 92562821, 113923472, 142404340, 185125642, 284808680, 370251284, 462814105, 569617360, 740502568, 925628210, 1481005136, 1851256420, 3702512840, 7405025680]

約数ペア:

[(1, 7405025680), (2, 3702512840), (4, 1851256420), (5, 1481005136), (8, 925628210), (10, 740502568), (13, 569617360), (16, 462814105), (20, 370251284), (26, 284808680), (40, 185125642), (52, 142404340), (65, 113923472), (80, 92562821), (104, 71202170), (130, 56961736), (169, 43816720), (208, 35601085), (260, 28480868), (338, 21908360), (520, 14240434), (676, 10954180), (845, 8763344), (1040, 7120217), (1352, 5477090), (1690, 4381672), (2704, 2738545), (3380, 2190836), (6760, 1095418), (13520, 547709)]