42151280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 102368448

約数和(自身を除く): 60217168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 181, 205, 284, 328, 355, 362, 410, 568, 656, 710, 724, 820, 905, 1136, 1420, 1448, 1640, 1810, 2840, 2896, 2911, 3280, 3620, 5680, 5822, 7240, 7421, 11644, 12851, 14480, 14555, 14842, 23288, 25702, 29110, 29684, 37105, 46576, 51404, 58220, 59368, 64255, 74210, 102808, 116440, 118736, 128510, 148420, 205616, 232880, 257020, 296840, 514040, 526891, 593680, 1028080, 1053782, 2107564, 2634455, 4215128, 5268910, 8430256, 10537820, 21075640, 42151280]

約数ペア:

[(1, 42151280), (2, 21075640), (4, 10537820), (5, 8430256), (8, 5268910), (10, 4215128), (16, 2634455), (20, 2107564), (40, 1053782), (41, 1028080), (71, 593680), (80, 526891), (82, 514040), (142, 296840), (164, 257020), (181, 232880), (205, 205616), (284, 148420), (328, 128510), (355, 118736), (362, 116440), (410, 102808), (568, 74210), (656, 64255), (710, 59368), (724, 58220), (820, 51404), (905, 46576), (1136, 37105), (1420, 29684), (1448, 29110), (1640, 25702), (1810, 23288), (2840, 14842), (2896, 14555), (2911, 14480), (3280, 12851), (3620, 11644), (5680, 7421), (5822, 7240)]