2015790820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{6199}}^1$

素因数の和:6508

約数の個数: 48

約数和(自身を含む): 4312224000

約数和(自身を除く): 2296433180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 229, 284, 355, 458, 710, 916, 1145, 1420, 2290, 4580, 6199, 12398, 16259, 24796, 30995, 32518, 61990, 65036, 81295, 123980, 162590, 325180, 440129, 880258, 1419571, 1760516, 2200645, 2839142, 4401290, 5678284, 7097855, 8802580, 14195710, 28391420, 100789541, 201579082, 403158164, 503947705, 1007895410, 2015790820]

約数ペア:

[(1, 2015790820), (2, 1007895410), (4, 503947705), (5, 403158164), (10, 201579082), (20, 100789541), (71, 28391420), (142, 14195710), (229, 8802580), (284, 7097855), (355, 5678284), (458, 4401290), (710, 2839142), (916, 2200645), (1145, 1760516), (1420, 1419571), (2290, 880258), (4580, 440129), (6199, 325180), (12398, 162590), (16259, 123980), (24796, 81295), (30995, 65036), (32518, 61990)]