128619280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{94573}}^1$

素因数の和:94603

約数の個数: 40

約数和(自身を含む): 316633752

約数和(自身を除く): 188014472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 94573, 189146, 378292, 472865, 756584, 945730, 1513168, 1607741, 1891460, 3215482, 3782920, 6430964, 7565840, 8038705, 12861928, 16077410, 25723856, 32154820, 64309640, 128619280]

約数ペア:

[(1, 128619280), (2, 64309640), (4, 32154820), (5, 25723856), (8, 16077410), (10, 12861928), (16, 8038705), (17, 7565840), (20, 6430964), (34, 3782920), (40, 3215482), (68, 1891460), (80, 1607741), (85, 1513168), (136, 945730), (170, 756584), (272, 472865), (340, 378292), (680, 189146), (1360, 94573)]