13580500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 30021264

約数和(自身を除く): 16440764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 173, 250, 314, 346, 500, 628, 692, 785, 865, 1570, 1730, 3140, 3460, 3925, 4325, 7850, 8650, 15700, 17300, 19625, 21625, 27161, 39250, 43250, 54322, 78500, 86500, 108644, 135805, 271610, 543220, 679025, 1358050, 2716100, 3395125, 6790250, 13580500]

約数ペア:

[(1, 13580500), (2, 6790250), (4, 3395125), (5, 2716100), (10, 1358050), (20, 679025), (25, 543220), (50, 271610), (100, 135805), (125, 108644), (157, 86500), (173, 78500), (250, 54322), (314, 43250), (346, 39250), (500, 27161), (628, 21625), (692, 19625), (785, 17300), (865, 15700), (1570, 8650), (1730, 7850), (3140, 4325), (3460, 3925)]