2018598640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{2593}}^1$

素因数の和:2906

約数の個数: 80

約数和(自身を含む): 4840279488

約数和(自身を除く): 2821680848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 263, 296, 370, 526, 592, 740, 1052, 1315, 1480, 2104, 2593, 2630, 2960, 4208, 5186, 5260, 9731, 10372, 10520, 12965, 19462, 20744, 21040, 25930, 38924, 41488, 48655, 51860, 77848, 95941, 97310, 103720, 155696, 191882, 194620, 207440, 383764, 389240, 479705, 681959, 767528, 778480, 959410, 1363918, 1535056, 1918820, 2727836, 3409795, 3837640, 5455672, 6819590, 7675280, 10911344, 13639180, 25232483, 27278360, 50464966, 54556720, 100929932, 126162415, 201859864, 252324830, 403719728, 504649660, 1009299320, 2018598640]

約数ペア:

[(1, 2018598640), (2, 1009299320), (4, 504649660), (5, 403719728), (8, 252324830), (10, 201859864), (16, 126162415), (20, 100929932), (37, 54556720), (40, 50464966), (74, 27278360), (80, 25232483), (148, 13639180), (185, 10911344), (263, 7675280), (296, 6819590), (370, 5455672), (526, 3837640), (592, 3409795), (740, 2727836), (1052, 1918820), (1315, 1535056), (1480, 1363918), (2104, 959410), (2593, 778480), (2630, 767528), (2960, 681959), (4208, 479705), (5186, 389240), (5260, 383764), (9731, 207440), (10372, 194620), (10520, 191882), (12965, 155696), (19462, 103720), (20744, 97310), (21040, 95941), (25930, 77848), (38924, 51860), (41488, 48655)]