1113520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1564880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 449, 496, 620, 898, 1240, 1796, 2245, 2480, 3592, 4490, 7184, 8980, 13919, 17960, 27838, 35920, 55676, 69595, 111352, 139190, 222704, 278380, 556760, 1113520]

約数ペア:

[(1, 1113520), (2, 556760), (4, 278380), (5, 222704), (8, 139190), (10, 111352), (16, 69595), (20, 55676), (31, 35920), (40, 27838), (62, 17960), (80, 13919), (124, 8980), (155, 7184), (248, 4490), (310, 3592), (449, 2480), (496, 2245), (620, 1796), (898, 1240)]