8313890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2114

約数の個数: 32

約数和(自身を含む): 16644096

約数和(自身を除く): 8330206

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 2063, 4030, 4126, 10315, 20630, 26819, 53638, 63953, 127906, 134095, 268190, 319765, 639530, 831389, 1662778, 4156945, 8313890]

約数ペア:

[(1, 8313890), (2, 4156945), (5, 1662778), (10, 831389), (13, 639530), (26, 319765), (31, 268190), (62, 134095), (65, 127906), (130, 63953), (155, 53638), (310, 26819), (403, 20630), (806, 10315), (2015, 4126), (2063, 4030)]