8889140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11432140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 191, 260, 358, 382, 716, 764, 895, 955, 1790, 1910, 2327, 2483, 3580, 3820, 4654, 4966, 9308, 9932, 11635, 12415, 23270, 24830, 34189, 46540, 49660, 68378, 136756, 170945, 341890, 444457, 683780, 888914, 1777828, 2222285, 4444570, 8889140]

約数ペア:

[(1, 8889140), (2, 4444570), (4, 2222285), (5, 1777828), (10, 888914), (13, 683780), (20, 444457), (26, 341890), (52, 170945), (65, 136756), (130, 68378), (179, 49660), (191, 46540), (260, 34189), (358, 24830), (382, 23270), (716, 12415), (764, 11635), (895, 9932), (955, 9308), (1790, 4966), (1910, 4654), (2327, 3820), (2483, 3580)]