40679600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7854

約数の個数: 60

約数和(自身を含む): 105264096

約数和(自身を除く): 64584496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7823, 15646, 31292, 39115, 62584, 78230, 101699, 125168, 156460, 195575, 203398, 312920, 391150, 406796, 508495, 625840, 782300, 813592, 1016990, 1564600, 1627184, 2033980, 2542475, 3129200, 4067960, 5084950, 8135920, 10169900, 20339800, 40679600]

約数ペア:

[(1, 40679600), (2, 20339800), (4, 10169900), (5, 8135920), (8, 5084950), (10, 4067960), (13, 3129200), (16, 2542475), (20, 2033980), (25, 1627184), (26, 1564600), (40, 1016990), (50, 813592), (52, 782300), (65, 625840), (80, 508495), (100, 406796), (104, 391150), (130, 312920), (200, 203398), (208, 195575), (260, 156460), (325, 125168), (400, 101699), (520, 78230), (650, 62584), (1040, 39115), (1300, 31292), (2600, 15646), (5200, 7823)]