12853720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 19079720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 223, 262, 440, 446, 524, 655, 892, 1048, 1115, 1310, 1441, 1784, 2230, 2453, 2620, 2882, 4460, 4906, 5240, 5764, 7205, 8920, 9812, 11528, 12265, 14410, 19624, 24530, 28820, 29213, 49060, 57640, 58426, 98120, 116852, 146065, 233704, 292130, 321343, 584260, 642686, 1168520, 1285372, 1606715, 2570744, 3213430, 6426860, 12853720]

約数ペア:

[(1, 12853720), (2, 6426860), (4, 3213430), (5, 2570744), (8, 1606715), (10, 1285372), (11, 1168520), (20, 642686), (22, 584260), (40, 321343), (44, 292130), (55, 233704), (88, 146065), (110, 116852), (131, 98120), (220, 58426), (223, 57640), (262, 49060), (440, 29213), (446, 28820), (524, 24530), (655, 19624), (892, 14410), (1048, 12265), (1115, 11528), (1310, 9812), (1441, 8920), (1784, 7205), (2230, 5764), (2453, 5240), (2620, 4906), (2882, 4460)]