129439360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11897}}^1$

素因数の和:11933

約数の個数: 64

約数和(自身を含む): 327670920

約数和(自身を除く): 198231560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11897, 23794, 47588, 59485, 95176, 118970, 190352, 202249, 237940, 380704, 404498, 475880, 761408, 808996, 951760, 1011245, 1522816, 1617992, 1903520, 2022490, 3235984, 3807040, 4044980, 6471968, 7614080, 8089960, 12943936, 16179920, 25887872, 32359840, 64719680, 129439360]

約数ペア:

[(1, 129439360), (2, 64719680), (4, 32359840), (5, 25887872), (8, 16179920), (10, 12943936), (16, 8089960), (17, 7614080), (20, 6471968), (32, 4044980), (34, 3807040), (40, 3235984), (64, 2022490), (68, 1903520), (80, 1617992), (85, 1522816), (128, 1011245), (136, 951760), (160, 808996), (170, 761408), (272, 475880), (320, 404498), (340, 380704), (544, 237940), (640, 202249), (680, 190352), (1088, 118970), (1360, 95176), (2176, 59485), (2720, 47588), (5440, 23794), (10880, 11897)]