31182880

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2467}}^1$

素因数の和:2561

約数の個数: 48

約数和(自身を含む): 74632320

約数和(自身を除く): 43449440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2467, 2528, 3160, 4934, 6320, 9868, 12335, 12640, 19736, 24670, 39472, 49340, 78944, 98680, 194893, 197360, 389786, 394720, 779572, 974465, 1559144, 1948930, 3118288, 3897860, 6236576, 7795720, 15591440, 31182880]

約数ペア:

[(1, 31182880), (2, 15591440), (4, 7795720), (5, 6236576), (8, 3897860), (10, 3118288), (16, 1948930), (20, 1559144), (32, 974465), (40, 779572), (79, 394720), (80, 389786), (158, 197360), (160, 194893), (316, 98680), (395, 78944), (632, 49340), (790, 39472), (1264, 24670), (1580, 19736), (2467, 12640), (2528, 12335), (3160, 9868), (4934, 6320)]