25186880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2587

約数の個数: 56

約数和(自身を含む): 61935360

約数和(自身を除く): 36748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 2539, 4960, 5078, 9920, 10156, 12695, 20312, 25390, 40624, 50780, 78709, 81248, 101560, 157418, 162496, 203120, 314836, 393545, 406240, 629672, 787090, 812480, 1259344, 1574180, 2518688, 3148360, 5037376, 6296720, 12593440, 25186880]

約数ペア:

[(1, 25186880), (2, 12593440), (4, 6296720), (5, 5037376), (8, 3148360), (10, 2518688), (16, 1574180), (20, 1259344), (31, 812480), (32, 787090), (40, 629672), (62, 406240), (64, 393545), (80, 314836), (124, 203120), (155, 162496), (160, 157418), (248, 101560), (310, 81248), (320, 78709), (496, 50780), (620, 40624), (992, 25390), (1240, 20312), (1984, 12695), (2480, 10156), (2539, 9920), (4960, 5078)]