40276880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1104

約数の個数: 80

約数和(自身を含む): 108635904

約数和(自身を除く): 68359024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1013, 1136, 1420, 1988, 2026, 2485, 2840, 3976, 4052, 4970, 5065, 5680, 7091, 7952, 8104, 9940, 10130, 14182, 16208, 19880, 20260, 28364, 35455, 39760, 40520, 56728, 70910, 71923, 81040, 113456, 141820, 143846, 283640, 287692, 359615, 503461, 567280, 575384, 719230, 1006922, 1150768, 1438460, 2013844, 2517305, 2876920, 4027688, 5034610, 5753840, 8055376, 10069220, 20138440, 40276880]

約数ペア:

[(1, 40276880), (2, 20138440), (4, 10069220), (5, 8055376), (7, 5753840), (8, 5034610), (10, 4027688), (14, 2876920), (16, 2517305), (20, 2013844), (28, 1438460), (35, 1150768), (40, 1006922), (56, 719230), (70, 575384), (71, 567280), (80, 503461), (112, 359615), (140, 287692), (142, 283640), (280, 143846), (284, 141820), (355, 113456), (497, 81040), (560, 71923), (568, 70910), (710, 56728), (994, 40520), (1013, 39760), (1136, 35455), (1420, 28364), (1988, 20260), (2026, 19880), (2485, 16208), (2840, 14182), (3976, 10130), (4052, 9940), (4970, 8104), (5065, 7952), (5680, 7091)]