81106240

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1327}}^1$

素因数の和:1535

約数の個数: 56

約数和(自身を含む): 194291712

約数和(自身を除く): 113185472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1327, 1528, 1910, 2654, 3056, 3820, 5308, 6112, 6635, 7640, 10616, 12224, 13270, 15280, 21232, 26540, 30560, 42464, 53080, 61120, 84928, 106160, 212320, 253457, 424640, 506914, 1013828, 1267285, 2027656, 2534570, 4055312, 5069140, 8110624, 10138280, 16221248, 20276560, 40553120, 81106240]

約数ペア:

[(1, 81106240), (2, 40553120), (4, 20276560), (5, 16221248), (8, 10138280), (10, 8110624), (16, 5069140), (20, 4055312), (32, 2534570), (40, 2027656), (64, 1267285), (80, 1013828), (160, 506914), (191, 424640), (320, 253457), (382, 212320), (764, 106160), (955, 84928), (1327, 61120), (1528, 53080), (1910, 42464), (2654, 30560), (3056, 26540), (3820, 21232), (5308, 15280), (6112, 13270), (6635, 12224), (7640, 10616)]