11521000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 27714960

約数和(自身を除く): 16193960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 281, 328, 410, 500, 562, 820, 1000, 1025, 1124, 1405, 1640, 2050, 2248, 2810, 4100, 5125, 5620, 7025, 8200, 10250, 11240, 11521, 14050, 20500, 23042, 28100, 35125, 41000, 46084, 56200, 57605, 70250, 92168, 115210, 140500, 230420, 281000, 288025, 460840, 576050, 1152100, 1440125, 2304200, 2880250, 5760500, 11521000]

約数ペア:

[(1, 11521000), (2, 5760500), (4, 2880250), (5, 2304200), (8, 1440125), (10, 1152100), (20, 576050), (25, 460840), (40, 288025), (41, 281000), (50, 230420), (82, 140500), (100, 115210), (125, 92168), (164, 70250), (200, 57605), (205, 56200), (250, 46084), (281, 41000), (328, 35125), (410, 28100), (500, 23042), (562, 20500), (820, 14050), (1000, 11521), (1025, 11240), (1124, 10250), (1405, 8200), (1640, 7025), (2050, 5620), (2248, 5125), (2810, 4100)]