40149890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{953}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 79128576

約数和(自身を除く): 38978686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 383, 766, 953, 1906, 1915, 3830, 4213, 4765, 8426, 9530, 10483, 20966, 21065, 42130, 52415, 104830, 364999, 729998, 1824995, 3649990, 4014989, 8029978, 20074945, 40149890]

約数ペア:

[(1, 40149890), (2, 20074945), (5, 8029978), (10, 4014989), (11, 3649990), (22, 1824995), (55, 729998), (110, 364999), (383, 104830), (766, 52415), (953, 42130), (1906, 21065), (1915, 20966), (3830, 10483), (4213, 9530), (4765, 8426)]