66243280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26711}}^1$

素因数の和:26755

約数の個数: 40

約数和(自身を含む): 158989824

約数和(自身を除く): 92746544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26711, 53422, 106844, 133555, 213688, 267110, 427376, 534220, 828041, 1068440, 1656082, 2136880, 3312164, 4140205, 6624328, 8280410, 13248656, 16560820, 33121640, 66243280]

約数ペア:

[(1, 66243280), (2, 33121640), (4, 16560820), (5, 13248656), (8, 8280410), (10, 6624328), (16, 4140205), (20, 3312164), (31, 2136880), (40, 1656082), (62, 1068440), (80, 828041), (124, 534220), (155, 427376), (248, 267110), (310, 213688), (496, 133555), (620, 106844), (1240, 53422), (2480, 26711)]