80299780

素因数分解:

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

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 184633344

約数和(自身を除く): 104333564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 383, 766, 953, 1532, 1906, 1915, 3812, 3830, 4213, 4765, 7660, 8426, 9530, 10483, 16852, 19060, 20966, 21065, 41932, 42130, 52415, 84260, 104830, 209660, 364999, 729998, 1459996, 1824995, 3649990, 4014989, 7299980, 8029978, 16059956, 20074945, 40149890, 80299780]

約数ペア:

[(1, 80299780), (2, 40149890), (4, 20074945), (5, 16059956), (10, 8029978), (11, 7299980), (20, 4014989), (22, 3649990), (44, 1824995), (55, 1459996), (110, 729998), (220, 364999), (383, 209660), (766, 104830), (953, 84260), (1532, 52415), (1906, 42130), (1915, 41932), (3812, 21065), (3830, 20966), (4213, 19060), (4765, 16852), (7660, 10483), (8426, 9530)]