13805480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 20063320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 191, 260, 278, 382, 520, 556, 695, 764, 955, 1112, 1390, 1528, 1807, 1910, 2483, 2780, 3614, 3820, 4966, 5560, 7228, 7640, 9035, 9932, 12415, 14456, 18070, 19864, 24830, 26549, 36140, 49660, 53098, 72280, 99320, 106196, 132745, 212392, 265490, 345137, 530980, 690274, 1061960, 1380548, 1725685, 2761096, 3451370, 6902740, 13805480]

約数ペア:

[(1, 13805480), (2, 6902740), (4, 3451370), (5, 2761096), (8, 1725685), (10, 1380548), (13, 1061960), (20, 690274), (26, 530980), (40, 345137), (52, 265490), (65, 212392), (104, 132745), (130, 106196), (139, 99320), (191, 72280), (260, 53098), (278, 49660), (382, 36140), (520, 26549), (556, 24830), (695, 19864), (764, 18070), (955, 14456), (1112, 12415), (1390, 9932), (1528, 9035), (1807, 7640), (1910, 7228), (2483, 5560), (2780, 4966), (3614, 3820)]