13129120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2693

約数の個数: 48

約数和(自身を含む): 32030208

約数和(自身を除く): 18901088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 2647, 4960, 5294, 10588, 13235, 21176, 26470, 42352, 52940, 82057, 84704, 105880, 164114, 211760, 328228, 410285, 423520, 656456, 820570, 1312912, 1641140, 2625824, 3282280, 6564560, 13129120]

約数ペア:

[(1, 13129120), (2, 6564560), (4, 3282280), (5, 2625824), (8, 1641140), (10, 1312912), (16, 820570), (20, 656456), (31, 423520), (32, 410285), (40, 328228), (62, 211760), (80, 164114), (124, 105880), (155, 84704), (160, 82057), (248, 52940), (310, 42352), (496, 26470), (620, 21176), (992, 13235), (1240, 10588), (2480, 5294), (2647, 4960)]