31233760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11483}}^1$

素因数の和:11515

約数の個数: 48

約数和(自身を含む): 78137136

約数和(自身を除く): 46903376

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, 11483, 22966, 45932, 57415, 91864, 114830, 183728, 195211, 229660, 367456, 390422, 459320, 780844, 918640, 976055, 1561688, 1837280, 1952110, 3123376, 3904220, 6246752, 7808440, 15616880, 31233760]

約数ペア:

[(1, 31233760), (2, 15616880), (4, 7808440), (5, 6246752), (8, 3904220), (10, 3123376), (16, 1952110), (17, 1837280), (20, 1561688), (32, 976055), (34, 918640), (40, 780844), (68, 459320), (80, 390422), (85, 367456), (136, 229660), (160, 195211), (170, 183728), (272, 114830), (340, 91864), (544, 57415), (680, 45932), (1360, 22966), (2720, 11483)]