131896880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 326791584

約数和(自身を除く): 194894704

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 293, 331, 340, 586, 662, 680, 1172, 1324, 1360, 1465, 1655, 2344, 2648, 2930, 3310, 4688, 4981, 5296, 5627, 5860, 6620, 9962, 11254, 11720, 13240, 19924, 22508, 23440, 24905, 26480, 28135, 39848, 45016, 49810, 56270, 79696, 90032, 96983, 99620, 112540, 193966, 199240, 225080, 387932, 398480, 450160, 484915, 775864, 969830, 1551728, 1648711, 1939660, 3297422, 3879320, 6594844, 7758640, 8243555, 13189688, 16487110, 26379376, 32974220, 65948440, 131896880]

約数ペア:

[(1, 131896880), (2, 65948440), (4, 32974220), (5, 26379376), (8, 16487110), (10, 13189688), (16, 8243555), (17, 7758640), (20, 6594844), (34, 3879320), (40, 3297422), (68, 1939660), (80, 1648711), (85, 1551728), (136, 969830), (170, 775864), (272, 484915), (293, 450160), (331, 398480), (340, 387932), (586, 225080), (662, 199240), (680, 193966), (1172, 112540), (1324, 99620), (1360, 96983), (1465, 90032), (1655, 79696), (2344, 56270), (2648, 49810), (2930, 45016), (3310, 39848), (4688, 28135), (4981, 26480), (5296, 24905), (5627, 23440), (5860, 22508), (6620, 19924), (9962, 13240), (11254, 11720)]