65170060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 142168320

約数和(自身を除く): 76998260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 409, 514, 620, 818, 1028, 1285, 1636, 2045, 2570, 4090, 5140, 7967, 8180, 12679, 15934, 25358, 31868, 39835, 50716, 63395, 79670, 105113, 126790, 159340, 210226, 253580, 420452, 525565, 1051130, 2102260, 3258503, 6517006, 13034012, 16292515, 32585030, 65170060]

約数ペア:

[(1, 65170060), (2, 32585030), (4, 16292515), (5, 13034012), (10, 6517006), (20, 3258503), (31, 2102260), (62, 1051130), (124, 525565), (155, 420452), (257, 253580), (310, 210226), (409, 159340), (514, 126790), (620, 105113), (818, 79670), (1028, 63395), (1285, 50716), (1636, 39835), (2045, 31868), (2570, 25358), (4090, 15934), (5140, 12679), (7967, 8180)]