40804505

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 61535376

約数和(自身を除く): 20730871

約数列:

[1, 5, 7, 17, 35, 49, 85, 97, 101, 119, 245, 485, 505, 595, 679, 707, 833, 1649, 1717, 3395, 3535, 4165, 4753, 4949, 8245, 8585, 9797, 11543, 12019, 23765, 24745, 48985, 57715, 60095, 68579, 80801, 84133, 166549, 342895, 404005, 420665, 480053, 832745, 1165843, 2400265, 5829215, 8160901, 40804505]

約数ペア:

[(1, 40804505), (5, 8160901), (7, 5829215), (17, 2400265), (35, 1165843), (49, 832745), (85, 480053), (97, 420665), (101, 404005), (119, 342895), (245, 166549), (485, 84133), (505, 80801), (595, 68579), (679, 60095), (707, 57715), (833, 48985), (1649, 24745), (1717, 23765), (3395, 12019), (3535, 11543), (4165, 9797), (4753, 8585), (4949, 8245)]