11503420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8101}}^1$

素因数の和:8181

約数の個数: 24

約数和(自身を含む): 24500448

約数和(自身を除く): 12997028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8101, 16202, 32404, 40505, 81010, 162020, 575171, 1150342, 2300684, 2875855, 5751710, 11503420]

約数ペア:

[(1, 11503420), (2, 5751710), (4, 2875855), (5, 2300684), (10, 1150342), (20, 575171), (71, 162020), (142, 81010), (284, 40505), (355, 32404), (710, 16202), (1420, 8101)]