40721120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1404

約数の個数: 96

約数和(自身を含む): 111204576

約数和(自身を除く): 70483456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 680, 748, 880, 935, 1360, 1361, 1496, 1760, 1870, 2720, 2722, 2992, 3740, 5444, 5984, 6805, 7480, 10888, 13610, 14960, 14971, 21776, 23137, 27220, 29920, 29942, 43552, 46274, 54440, 59884, 74855, 92548, 108880, 115685, 119768, 149710, 185096, 217760, 231370, 239536, 254507, 299420, 370192, 462740, 479072, 509014, 598840, 740384, 925480, 1018028, 1197680, 1272535, 1850960, 2036056, 2395360, 2545070, 3701920, 4072112, 5090140, 8144224, 10180280, 20360560, 40721120]

約数ペア:

[(1, 40721120), (2, 20360560), (4, 10180280), (5, 8144224), (8, 5090140), (10, 4072112), (11, 3701920), (16, 2545070), (17, 2395360), (20, 2036056), (22, 1850960), (32, 1272535), (34, 1197680), (40, 1018028), (44, 925480), (55, 740384), (68, 598840), (80, 509014), (85, 479072), (88, 462740), (110, 370192), (136, 299420), (160, 254507), (170, 239536), (176, 231370), (187, 217760), (220, 185096), (272, 149710), (340, 119768), (352, 115685), (374, 108880), (440, 92548), (544, 74855), (680, 59884), (748, 54440), (880, 46274), (935, 43552), (1360, 29942), (1361, 29920), (1496, 27220), (1760, 23137), (1870, 21776), (2720, 14971), (2722, 14960), (2992, 13610), (3740, 10888), (5444, 7480), (5984, 6805)]