12853840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 31712256

約数和(自身を除く): 18858416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 73, 80, 124, 142, 146, 155, 248, 284, 292, 310, 355, 365, 496, 568, 584, 620, 710, 730, 1136, 1168, 1240, 1420, 1460, 2201, 2263, 2480, 2840, 2920, 4402, 4526, 5183, 5680, 5840, 8804, 9052, 10366, 11005, 11315, 17608, 18104, 20732, 22010, 22630, 25915, 35216, 36208, 41464, 44020, 45260, 51830, 82928, 88040, 90520, 103660, 160673, 176080, 181040, 207320, 321346, 414640, 642692, 803365, 1285384, 1606730, 2570768, 3213460, 6426920, 12853840]

約数ペア:

[(1, 12853840), (2, 6426920), (4, 3213460), (5, 2570768), (8, 1606730), (10, 1285384), (16, 803365), (20, 642692), (31, 414640), (40, 321346), (62, 207320), (71, 181040), (73, 176080), (80, 160673), (124, 103660), (142, 90520), (146, 88040), (155, 82928), (248, 51830), (284, 45260), (292, 44020), (310, 41464), (355, 36208), (365, 35216), (496, 25915), (568, 22630), (584, 22010), (620, 20732), (710, 18104), (730, 17608), (1136, 11315), (1168, 11005), (1240, 10366), (1420, 9052), (1460, 8804), (2201, 5840), (2263, 5680), (2480, 5183), (2840, 4526), (2920, 4402)]