670840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 1560960

約数和(自身を除く): 890120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 541, 620, 1082, 1240, 2164, 2705, 4328, 5410, 10820, 16771, 21640, 33542, 67084, 83855, 134168, 167710, 335420, 670840]

約数ペア:

[(1, 670840), (2, 335420), (4, 167710), (5, 134168), (8, 83855), (10, 67084), (20, 33542), (31, 21640), (40, 16771), (62, 10820), (124, 5410), (155, 4328), (248, 2705), (310, 2164), (541, 1240), (620, 1082)]