64719680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11897}}^1$

素因数の和:11931

約数の個数: 56

約数和(自身を含む): 163192968

約数和(自身を除く): 98473288

約数列:

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

約数ペア:

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