25541720

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3691}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 57816720

約数和(自身を除く): 32275000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 3691, 6920, 7382, 14764, 18455, 29528, 36910, 73820, 147640, 638543, 1277086, 2554172, 3192715, 5108344, 6385430, 12770860, 25541720]

約数ペア:

[(1, 25541720), (2, 12770860), (4, 6385430), (5, 5108344), (8, 3192715), (10, 2554172), (20, 1277086), (40, 638543), (173, 147640), (346, 73820), (692, 36910), (865, 29528), (1384, 18455), (1730, 14764), (3460, 7382), (3691, 6920)]