26815000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 65229120

約数和(自身を除く): 38414120

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 173, 200, 248, 250, 310, 346, 500, 620, 625, 692, 775, 865, 1000, 1240, 1250, 1384, 1550, 1730, 2500, 3100, 3460, 3875, 4325, 5000, 5363, 6200, 6920, 7750, 8650, 10726, 15500, 17300, 19375, 21452, 21625, 26815, 31000, 34600, 38750, 42904, 43250, 53630, 77500, 86500, 107260, 108125, 134075, 155000, 173000, 214520, 216250, 268150, 432500, 536300, 670375, 865000, 1072600, 1340750, 2681500, 3351875, 5363000, 6703750, 13407500, 26815000]

約数ペア:

[(1, 26815000), (2, 13407500), (4, 6703750), (5, 5363000), (8, 3351875), (10, 2681500), (20, 1340750), (25, 1072600), (31, 865000), (40, 670375), (50, 536300), (62, 432500), (100, 268150), (124, 216250), (125, 214520), (155, 173000), (173, 155000), (200, 134075), (248, 108125), (250, 107260), (310, 86500), (346, 77500), (500, 53630), (620, 43250), (625, 42904), (692, 38750), (775, 34600), (865, 31000), (1000, 26815), (1240, 21625), (1250, 21452), (1384, 19375), (1550, 17300), (1730, 15500), (2500, 10726), (3100, 8650), (3460, 7750), (3875, 6920), (4325, 6200), (5000, 5363)]