86131640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9923}}^1$

素因数の和:9972

約数の個数: 64

約数和(自身を含む): 228648960

約数和(自身を除く): 142517320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9923, 19846, 39692, 49615, 69461, 79384, 99230, 138922, 198460, 277844, 307613, 347305, 396920, 555688, 615226, 694610, 1230452, 1389220, 1538065, 2153291, 2460904, 2778440, 3076130, 4306582, 6152260, 8613164, 10766455, 12304520, 17226328, 21532910, 43065820, 86131640]

約数ペア:

[(1, 86131640), (2, 43065820), (4, 21532910), (5, 17226328), (7, 12304520), (8, 10766455), (10, 8613164), (14, 6152260), (20, 4306582), (28, 3076130), (31, 2778440), (35, 2460904), (40, 2153291), (56, 1538065), (62, 1389220), (70, 1230452), (124, 694610), (140, 615226), (155, 555688), (217, 396920), (248, 347305), (280, 307613), (310, 277844), (434, 198460), (620, 138922), (868, 99230), (1085, 79384), (1240, 69461), (1736, 49615), (2170, 39692), (4340, 19846), (8680, 9923)]