25981100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 108

約数和(自身を含む): 63954240

約数和(自身を除く): 37973140

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 29, 31, 34, 50, 58, 62, 68, 85, 100, 116, 124, 145, 155, 170, 289, 290, 310, 340, 425, 493, 527, 578, 580, 620, 725, 775, 850, 899, 986, 1054, 1156, 1445, 1450, 1550, 1700, 1798, 1972, 2108, 2465, 2635, 2890, 2900, 3100, 3596, 4495, 4930, 5270, 5780, 7225, 8381, 8959, 8990, 9860, 10540, 12325, 13175, 14450, 15283, 16762, 17918, 17980, 22475, 24650, 26350, 28900, 30566, 33524, 35836, 41905, 44795, 44950, 49300, 52700, 61132, 76415, 83810, 89590, 89900, 152830, 167620, 179180, 209525, 223975, 259811, 305660, 382075, 419050, 447950, 519622, 764150, 838100, 895900, 1039244, 1299055, 1528300, 2598110, 5196220, 6495275, 12990550, 25981100]

約数ペア:

[(1, 25981100), (2, 12990550), (4, 6495275), (5, 5196220), (10, 2598110), (17, 1528300), (20, 1299055), (25, 1039244), (29, 895900), (31, 838100), (34, 764150), (50, 519622), (58, 447950), (62, 419050), (68, 382075), (85, 305660), (100, 259811), (116, 223975), (124, 209525), (145, 179180), (155, 167620), (170, 152830), (289, 89900), (290, 89590), (310, 83810), (340, 76415), (425, 61132), (493, 52700), (527, 49300), (578, 44950), (580, 44795), (620, 41905), (725, 35836), (775, 33524), (850, 30566), (899, 28900), (986, 26350), (1054, 24650), (1156, 22475), (1445, 17980), (1450, 17918), (1550, 16762), (1700, 15283), (1798, 14450), (1972, 13175), (2108, 12325), (2465, 10540), (2635, 9860), (2890, 8990), (2900, 8959), (3100, 8381), (3596, 7225), (4495, 5780), (4930, 5270)]