2070686540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1543

約数の個数: 96

約数和(自身を含む): 4862054400

約数和(自身を除く): 2791367860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 199, 260, 310, 398, 403, 620, 796, 806, 995, 1291, 1612, 1990, 2015, 2582, 2587, 3980, 4030, 5164, 5174, 6169, 6455, 8060, 10348, 12338, 12910, 12935, 16783, 24676, 25820, 25870, 30845, 33566, 40021, 51740, 61690, 67132, 80042, 80197, 83915, 123380, 160084, 160394, 167830, 200105, 256909, 320788, 335660, 400210, 400985, 513818, 520273, 800420, 801970, 1027636, 1040546, 1284545, 1603940, 2081092, 2569090, 2601365, 3339817, 5138180, 5202730, 6679634, 7964179, 10405460, 13359268, 15928358, 16699085, 31856716, 33398170, 39820895, 66796340, 79641790, 103534327, 159283580, 207068654, 414137308, 517671635, 1035343270, 2070686540]

約数ペア:

[(1, 2070686540), (2, 1035343270), (4, 517671635), (5, 414137308), (10, 207068654), (13, 159283580), (20, 103534327), (26, 79641790), (31, 66796340), (52, 39820895), (62, 33398170), (65, 31856716), (124, 16699085), (130, 15928358), (155, 13359268), (199, 10405460), (260, 7964179), (310, 6679634), (398, 5202730), (403, 5138180), (620, 3339817), (796, 2601365), (806, 2569090), (995, 2081092), (1291, 1603940), (1612, 1284545), (1990, 1040546), (2015, 1027636), (2582, 801970), (2587, 800420), (3980, 520273), (4030, 513818), (5164, 400985), (5174, 400210), (6169, 335660), (6455, 320788), (8060, 256909), (10348, 200105), (12338, 167830), (12910, 160394), (12935, 160084), (16783, 123380), (24676, 83915), (25820, 80197), (25870, 80042), (30845, 67132), (33566, 61690), (40021, 51740)]