47742640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 122135040

約数和(自身を除く): 74392400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 239, 440, 454, 478, 880, 908, 956, 1135, 1195, 1816, 1912, 2270, 2390, 2497, 2629, 3632, 3824, 4540, 4780, 4994, 5258, 9080, 9560, 9988, 10516, 12485, 13145, 18160, 19120, 19976, 21032, 24970, 26290, 39952, 42064, 49940, 52580, 54253, 99880, 105160, 108506, 199760, 210320, 217012, 271265, 434024, 542530, 596783, 868048, 1085060, 1193566, 2170120, 2387132, 2983915, 4340240, 4774264, 5967830, 9548528, 11935660, 23871320, 47742640]

約数ペア:

[(1, 47742640), (2, 23871320), (4, 11935660), (5, 9548528), (8, 5967830), (10, 4774264), (11, 4340240), (16, 2983915), (20, 2387132), (22, 2170120), (40, 1193566), (44, 1085060), (55, 868048), (80, 596783), (88, 542530), (110, 434024), (176, 271265), (220, 217012), (227, 210320), (239, 199760), (440, 108506), (454, 105160), (478, 99880), (880, 54253), (908, 52580), (956, 49940), (1135, 42064), (1195, 39952), (1816, 26290), (1912, 24970), (2270, 21032), (2390, 19976), (2497, 19120), (2629, 18160), (3632, 13145), (3824, 12485), (4540, 10516), (4780, 9988), (4994, 9560), (5258, 9080)]