87001240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 209563200

約数和(自身を除く): 122561960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 485, 680, 776, 970, 1319, 1649, 1940, 2638, 3298, 3880, 5276, 6595, 6596, 8245, 10552, 13190, 13192, 16490, 22423, 26380, 32980, 44846, 52760, 65960, 89692, 112115, 127943, 179384, 224230, 255886, 448460, 511772, 639715, 896920, 1023544, 1279430, 2175031, 2558860, 4350062, 5117720, 8700124, 10875155, 17400248, 21750310, 43500620, 87001240]

約数ペア:

[(1, 87001240), (2, 43500620), (4, 21750310), (5, 17400248), (8, 10875155), (10, 8700124), (17, 5117720), (20, 4350062), (34, 2558860), (40, 2175031), (68, 1279430), (85, 1023544), (97, 896920), (136, 639715), (170, 511772), (194, 448460), (340, 255886), (388, 224230), (485, 179384), (680, 127943), (776, 112115), (970, 89692), (1319, 65960), (1649, 52760), (1940, 44846), (2638, 32980), (3298, 26380), (3880, 22423), (5276, 16490), (6595, 13192), (6596, 13190), (8245, 10552)]