8141540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11333020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1609, 2530, 3218, 5060, 6436, 8045, 16090, 17699, 32180, 35398, 37007, 70796, 74014, 88495, 148028, 176990, 185035, 353980, 370070, 407077, 740140, 814154, 1628308, 2035385, 4070770, 8141540]

約数ペア:

[(1, 8141540), (2, 4070770), (4, 2035385), (5, 1628308), (10, 814154), (11, 740140), (20, 407077), (22, 370070), (23, 353980), (44, 185035), (46, 176990), (55, 148028), (92, 88495), (110, 74014), (115, 70796), (220, 37007), (230, 35398), (253, 32180), (460, 17699), (506, 16090), (1012, 8045), (1265, 6436), (1609, 5060), (2530, 3218)]