33729880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 78835680

約数和(自身を除く): 45105800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 157, 164, 205, 262, 314, 328, 410, 524, 628, 655, 785, 820, 1048, 1256, 1310, 1570, 1640, 2620, 3140, 5240, 5371, 6280, 6437, 10742, 12874, 20567, 21484, 25748, 26855, 32185, 41134, 42968, 51496, 53710, 64370, 82268, 102835, 107420, 128740, 164536, 205670, 214840, 257480, 411340, 822680, 843247, 1686494, 3372988, 4216235, 6745976, 8432470, 16864940, 33729880]

約数ペア:

[(1, 33729880), (2, 16864940), (4, 8432470), (5, 6745976), (8, 4216235), (10, 3372988), (20, 1686494), (40, 843247), (41, 822680), (82, 411340), (131, 257480), (157, 214840), (164, 205670), (205, 164536), (262, 128740), (314, 107420), (328, 102835), (410, 82268), (524, 64370), (628, 53710), (655, 51496), (785, 42968), (820, 41134), (1048, 32185), (1256, 26855), (1310, 25748), (1570, 21484), (1640, 20567), (2620, 12874), (3140, 10742), (5240, 6437), (5371, 6280)]