24490000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 100

約数和(自身を含む): 61980160

約数和(自身を除く): 37490160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 79, 80, 100, 124, 125, 155, 158, 200, 248, 250, 310, 316, 395, 400, 496, 500, 620, 625, 632, 775, 790, 1000, 1240, 1250, 1264, 1550, 1580, 1975, 2000, 2449, 2480, 2500, 3100, 3160, 3875, 3950, 4898, 5000, 6200, 6320, 7750, 7900, 9796, 9875, 10000, 12245, 12400, 15500, 15800, 19375, 19592, 19750, 24490, 31000, 31600, 38750, 39184, 39500, 48980, 49375, 61225, 62000, 77500, 79000, 97960, 98750, 122450, 155000, 158000, 195920, 197500, 244900, 306125, 310000, 395000, 489800, 612250, 790000, 979600, 1224500, 1530625, 2449000, 3061250, 4898000, 6122500, 12245000, 24490000]

約数ペア:

[(1, 24490000), (2, 12245000), (4, 6122500), (5, 4898000), (8, 3061250), (10, 2449000), (16, 1530625), (20, 1224500), (25, 979600), (31, 790000), (40, 612250), (50, 489800), (62, 395000), (79, 310000), (80, 306125), (100, 244900), (124, 197500), (125, 195920), (155, 158000), (158, 155000), (200, 122450), (248, 98750), (250, 97960), (310, 79000), (316, 77500), (395, 62000), (400, 61225), (496, 49375), (500, 48980), (620, 39500), (625, 39184), (632, 38750), (775, 31600), (790, 31000), (1000, 24490), (1240, 19750), (1250, 19592), (1264, 19375), (1550, 15800), (1580, 15500), (1975, 12400), (2000, 12245), (2449, 10000), (2480, 9875), (2500, 9796), (3100, 7900), (3160, 7750), (3875, 6320), (3950, 6200), (4898, 5000)]