12478160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2557}}^1$

素因数の和:2631

約数の個数: 40

約数和(自身を含む): 29498856

約数和(自身を除く): 17020696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2557, 4880, 5114, 10228, 12785, 20456, 25570, 40912, 51140, 102280, 155977, 204560, 311954, 623908, 779885, 1247816, 1559770, 2495632, 3119540, 6239080, 12478160]

約数ペア:

[(1, 12478160), (2, 6239080), (4, 3119540), (5, 2495632), (8, 1559770), (10, 1247816), (16, 779885), (20, 623908), (40, 311954), (61, 204560), (80, 155977), (122, 102280), (244, 51140), (305, 40912), (488, 25570), (610, 20456), (976, 12785), (1220, 10228), (2440, 5114), (2557, 4880)]