65204480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 108

約数和(自身を含む): 172082316

約数和(自身を除く): 106877836

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 421, 440, 484, 605, 640, 704, 842, 880, 968, 1210, 1280, 1408, 1684, 1760, 1936, 2105, 2420, 2816, 3368, 3520, 3872, 4210, 4631, 4840, 6736, 7040, 7744, 8420, 9262, 9680, 13472, 14080, 15488, 16840, 18524, 19360, 23155, 26944, 30976, 33680, 37048, 38720, 46310, 50941, 53888, 67360, 74096, 77440, 92620, 101882, 107776, 134720, 148192, 154880, 185240, 203764, 254705, 269440, 296384, 370480, 407528, 509410, 538880, 592768, 740960, 815056, 1018820, 1185536, 1481920, 1630112, 2037640, 2963840, 3260224, 4075280, 5927680, 6520448, 8150560, 13040896, 16301120, 32602240, 65204480]

約数ペア:

[(1, 65204480), (2, 32602240), (4, 16301120), (5, 13040896), (8, 8150560), (10, 6520448), (11, 5927680), (16, 4075280), (20, 3260224), (22, 2963840), (32, 2037640), (40, 1630112), (44, 1481920), (55, 1185536), (64, 1018820), (80, 815056), (88, 740960), (110, 592768), (121, 538880), (128, 509410), (160, 407528), (176, 370480), (220, 296384), (242, 269440), (256, 254705), (320, 203764), (352, 185240), (421, 154880), (440, 148192), (484, 134720), (605, 107776), (640, 101882), (704, 92620), (842, 77440), (880, 74096), (968, 67360), (1210, 53888), (1280, 50941), (1408, 46310), (1684, 38720), (1760, 37048), (1936, 33680), (2105, 30976), (2420, 26944), (2816, 23155), (3368, 19360), (3520, 18524), (3872, 16840), (4210, 15488), (4631, 14080), (4840, 13472), (6736, 9680), (7040, 9262), (7744, 8420)]