128805260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{6421}}^1$

素因数の和:6506

約数の個数: 48

約数和(自身を含む): 291301920

約数和(自身を除く): 162496660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 5015, 6421, 10030, 12842, 20060, 25684, 32105, 64210, 109157, 128420, 218314, 378839, 436628, 545785, 757678, 1091570, 1515356, 1894195, 2183140, 3788390, 6440263, 7576780, 12880526, 25761052, 32201315, 64402630, 128805260]

約数ペア:

[(1, 128805260), (2, 64402630), (4, 32201315), (5, 25761052), (10, 12880526), (17, 7576780), (20, 6440263), (34, 3788390), (59, 2183140), (68, 1894195), (85, 1515356), (118, 1091570), (170, 757678), (236, 545785), (295, 436628), (340, 378839), (590, 218314), (1003, 128420), (1180, 109157), (2006, 64210), (4012, 32105), (5015, 25684), (6421, 20060), (10030, 12842)]