87110000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 100

約数和(自身を含む): 218480064

約数和(自身を除く): 131370064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 281, 310, 400, 496, 500, 562, 620, 625, 775, 1000, 1124, 1240, 1250, 1405, 1550, 2000, 2248, 2480, 2500, 2810, 3100, 3875, 4496, 5000, 5620, 6200, 7025, 7750, 8711, 10000, 11240, 12400, 14050, 15500, 17422, 19375, 22480, 28100, 31000, 34844, 35125, 38750, 43555, 56200, 62000, 69688, 70250, 77500, 87110, 112400, 139376, 140500, 155000, 174220, 175625, 217775, 281000, 310000, 348440, 351250, 435550, 562000, 696880, 702500, 871100, 1088875, 1405000, 1742200, 2177750, 2810000, 3484400, 4355500, 5444375, 8711000, 10888750, 17422000, 21777500, 43555000, 87110000]

約数ペア:

[(1, 87110000), (2, 43555000), (4, 21777500), (5, 17422000), (8, 10888750), (10, 8711000), (16, 5444375), (20, 4355500), (25, 3484400), (31, 2810000), (40, 2177750), (50, 1742200), (62, 1405000), (80, 1088875), (100, 871100), (124, 702500), (125, 696880), (155, 562000), (200, 435550), (248, 351250), (250, 348440), (281, 310000), (310, 281000), (400, 217775), (496, 175625), (500, 174220), (562, 155000), (620, 140500), (625, 139376), (775, 112400), (1000, 87110), (1124, 77500), (1240, 70250), (1250, 69688), (1405, 62000), (1550, 56200), (2000, 43555), (2248, 38750), (2480, 35125), (2500, 34844), (2810, 31000), (3100, 28100), (3875, 22480), (4496, 19375), (5000, 17422), (5620, 15500), (6200, 14050), (7025, 12400), (7750, 11240), (8711, 10000)]