101877320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 238645440

約数和(自身を除く): 136768120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 971, 1220, 1720, 1942, 2440, 2623, 3884, 4855, 5246, 7768, 9710, 10492, 13115, 19420, 20984, 26230, 38840, 41753, 52460, 59231, 83506, 104920, 118462, 167012, 208765, 236924, 296155, 334024, 417530, 473848, 592310, 835060, 1184620, 1670120, 2369240, 2546933, 5093866, 10187732, 12734665, 20375464, 25469330, 50938660, 101877320]

約数ペア:

[(1, 101877320), (2, 50938660), (4, 25469330), (5, 20375464), (8, 12734665), (10, 10187732), (20, 5093866), (40, 2546933), (43, 2369240), (61, 1670120), (86, 1184620), (122, 835060), (172, 592310), (215, 473848), (244, 417530), (305, 334024), (344, 296155), (430, 236924), (488, 208765), (610, 167012), (860, 118462), (971, 104920), (1220, 83506), (1720, 59231), (1942, 52460), (2440, 41753), (2623, 38840), (3884, 26230), (4855, 20984), (5246, 19420), (7768, 13115), (9710, 10492)]