404249920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40751}}^1$

素因数の和:40799

約数の個数: 56

約数和(自身を含む): 993696768

約数和(自身を除く): 589446848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 40751, 81502, 163004, 203755, 326008, 407510, 652016, 815020, 1263281, 1304032, 1630040, 2526562, 2608064, 3260080, 5053124, 6316405, 6520160, 10106248, 12632810, 13040320, 20212496, 25265620, 40424992, 50531240, 80849984, 101062480, 202124960, 404249920]

約数ペア:

[(1, 404249920), (2, 202124960), (4, 101062480), (5, 80849984), (8, 50531240), (10, 40424992), (16, 25265620), (20, 20212496), (31, 13040320), (32, 12632810), (40, 10106248), (62, 6520160), (64, 6316405), (80, 5053124), (124, 3260080), (155, 2608064), (160, 2526562), (248, 1630040), (310, 1304032), (320, 1263281), (496, 815020), (620, 652016), (992, 407510), (1240, 326008), (1984, 203755), (2480, 163004), (4960, 81502), (9920, 40751)]