13591640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 32175360

約数和(自身を除く): 18583720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 113, 124, 155, 194, 226, 248, 310, 388, 452, 485, 565, 620, 776, 904, 970, 1130, 1240, 1940, 2260, 3007, 3503, 3880, 4520, 6014, 7006, 10961, 12028, 14012, 15035, 17515, 21922, 24056, 28024, 30070, 35030, 43844, 54805, 60140, 70060, 87688, 109610, 120280, 140120, 219220, 339791, 438440, 679582, 1359164, 1698955, 2718328, 3397910, 6795820, 13591640]

約数ペア:

[(1, 13591640), (2, 6795820), (4, 3397910), (5, 2718328), (8, 1698955), (10, 1359164), (20, 679582), (31, 438440), (40, 339791), (62, 219220), (97, 140120), (113, 120280), (124, 109610), (155, 87688), (194, 70060), (226, 60140), (248, 54805), (310, 43844), (388, 35030), (452, 30070), (485, 28024), (565, 24056), (620, 21922), (776, 17515), (904, 15035), (970, 14012), (1130, 12028), (1240, 10961), (1940, 7006), (2260, 6014), (3007, 4520), (3503, 3880)]