266964560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107647}}^1$

素因数の和:107691

約数の個数: 40

約数和(自身を含む): 640720896

約数和(自身を除く): 373756336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 107647, 215294, 430588, 538235, 861176, 1076470, 1722352, 2152940, 3337057, 4305880, 6674114, 8611760, 13348228, 16685285, 26696456, 33370570, 53392912, 66741140, 133482280, 266964560]

約数ペア:

[(1, 266964560), (2, 133482280), (4, 66741140), (5, 53392912), (8, 33370570), (10, 26696456), (16, 16685285), (20, 13348228), (31, 8611760), (40, 6674114), (62, 4305880), (80, 3337057), (124, 2152940), (155, 1722352), (248, 1076470), (310, 861176), (496, 538235), (620, 430588), (1240, 215294), (2480, 107647)]