51454240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18917}}^1$

素因数の和:18949

約数の個数: 48

約数和(自身を含む): 128718072

約数和(自身を除く): 77263832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18917, 37834, 75668, 94585, 151336, 189170, 302672, 321589, 378340, 605344, 643178, 756680, 1286356, 1513360, 1607945, 2572712, 3026720, 3215890, 5145424, 6431780, 10290848, 12863560, 25727120, 51454240]

約数ペア:

[(1, 51454240), (2, 25727120), (4, 12863560), (5, 10290848), (8, 6431780), (10, 5145424), (16, 3215890), (17, 3026720), (20, 2572712), (32, 1607945), (34, 1513360), (40, 1286356), (68, 756680), (80, 643178), (85, 605344), (136, 378340), (160, 321589), (170, 302672), (272, 189170), (340, 151336), (544, 94585), (680, 75668), (1360, 37834), (2720, 18917)]