40352390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 90084960

約数和(自身を除く): 49732570

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 31, 34, 38, 62, 65, 85, 95, 130, 155, 170, 190, 221, 247, 310, 323, 403, 442, 494, 527, 589, 646, 806, 961, 1054, 1105, 1178, 1235, 1615, 1922, 2015, 2210, 2470, 2635, 2945, 3230, 4030, 4199, 4805, 5270, 5890, 6851, 7657, 8398, 9610, 10013, 12493, 13702, 15314, 16337, 18259, 20026, 20995, 24986, 32674, 34255, 36518, 38285, 41990, 50065, 62465, 68510, 76570, 81685, 91295, 100130, 124930, 130169, 163370, 182590, 212381, 237367, 260338, 310403, 424762, 474734, 620806, 650845, 1061905, 1186835, 1301690, 1552015, 2123810, 2373670, 3104030, 4035239, 8070478, 20176195, 40352390]

約数ペア:

[(1, 40352390), (2, 20176195), (5, 8070478), (10, 4035239), (13, 3104030), (17, 2373670), (19, 2123810), (26, 1552015), (31, 1301690), (34, 1186835), (38, 1061905), (62, 650845), (65, 620806), (85, 474734), (95, 424762), (130, 310403), (155, 260338), (170, 237367), (190, 212381), (221, 182590), (247, 163370), (310, 130169), (323, 124930), (403, 100130), (442, 91295), (494, 81685), (527, 76570), (589, 68510), (646, 62465), (806, 50065), (961, 41990), (1054, 38285), (1105, 36518), (1178, 34255), (1235, 32674), (1615, 24986), (1922, 20995), (2015, 20026), (2210, 18259), (2470, 16337), (2635, 15314), (2945, 13702), (3230, 12493), (4030, 10013), (4199, 9610), (4805, 8398), (5270, 7657), (5890, 6851)]