142860640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68683}}^1$

素因数の和:68711

約数の個数: 48

約数和(自身を含む): 363475728

約数和(自身を除く): 220615088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 68683, 137366, 274732, 343415, 549464, 686830, 892879, 1098928, 1373660, 1785758, 2197856, 2747320, 3571516, 4464395, 5494640, 7143032, 8928790, 10989280, 14286064, 17857580, 28572128, 35715160, 71430320, 142860640]

約数ペア:

[(1, 142860640), (2, 71430320), (4, 35715160), (5, 28572128), (8, 17857580), (10, 14286064), (13, 10989280), (16, 8928790), (20, 7143032), (26, 5494640), (32, 4464395), (40, 3571516), (52, 2747320), (65, 2197856), (80, 1785758), (104, 1373660), (130, 1098928), (160, 892879), (208, 686830), (260, 549464), (416, 343415), (520, 274732), (1040, 137366), (2080, 68683)]