51609740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4051}}^1$

素因数の和:4087

約数の個数: 72

約数和(自身を含む): 135806832

約数和(自身を除く): 84197092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 4051, 6370, 8102, 12740, 16204, 20255, 28357, 40510, 52663, 56714, 81020, 105326, 113428, 141785, 198499, 210652, 263315, 283570, 368641, 396998, 526630, 567140, 737282, 793996, 992495, 1053260, 1474564, 1843205, 1984990, 2580487, 3686410, 3969980, 5160974, 7372820, 10321948, 12902435, 25804870, 51609740]

約数ペア:

[(1, 51609740), (2, 25804870), (4, 12902435), (5, 10321948), (7, 7372820), (10, 5160974), (13, 3969980), (14, 3686410), (20, 2580487), (26, 1984990), (28, 1843205), (35, 1474564), (49, 1053260), (52, 992495), (65, 793996), (70, 737282), (91, 567140), (98, 526630), (130, 396998), (140, 368641), (182, 283570), (196, 263315), (245, 210652), (260, 198499), (364, 141785), (455, 113428), (490, 105326), (637, 81020), (910, 56714), (980, 52663), (1274, 40510), (1820, 28357), (2548, 20255), (3185, 16204), (4051, 12740), (6370, 8102)]