40052040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47681}}^1$

素因数の和:47702

約数の個数: 64

約数和(自身を含む): 137324160

約数和(自身を除く): 97272120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47681, 95362, 143043, 190724, 238405, 286086, 333767, 381448, 476810, 572172, 667534, 715215, 953620, 1001301, 1144344, 1335068, 1430430, 1668835, 1907240, 2002602, 2670136, 2860860, 3337670, 4005204, 5006505, 5721720, 6675340, 8010408, 10013010, 13350680, 20026020, 40052040]

約数ペア:

[(1, 40052040), (2, 20026020), (3, 13350680), (4, 10013010), (5, 8010408), (6, 6675340), (7, 5721720), (8, 5006505), (10, 4005204), (12, 3337670), (14, 2860860), (15, 2670136), (20, 2002602), (21, 1907240), (24, 1668835), (28, 1430430), (30, 1335068), (35, 1144344), (40, 1001301), (42, 953620), (56, 715215), (60, 667534), (70, 572172), (84, 476810), (105, 381448), (120, 333767), (140, 286086), (168, 238405), (210, 190724), (280, 143043), (420, 95362), (840, 47681)]