90318880

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2083}}^1$

素因数の和:2369

約数の個数: 48

約数和(自身を含む): 214268544

約数和(自身を除く): 123949664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2083, 2168, 2710, 4166, 4336, 5420, 8332, 8672, 10415, 10840, 16664, 20830, 21680, 33328, 41660, 43360, 66656, 83320, 166640, 333280, 564493, 1128986, 2257972, 2822465, 4515944, 5644930, 9031888, 11289860, 18063776, 22579720, 45159440, 90318880]

約数ペア:

[(1, 90318880), (2, 45159440), (4, 22579720), (5, 18063776), (8, 11289860), (10, 9031888), (16, 5644930), (20, 4515944), (32, 2822465), (40, 2257972), (80, 1128986), (160, 564493), (271, 333280), (542, 166640), (1084, 83320), (1355, 66656), (2083, 43360), (2168, 41660), (2710, 33328), (4166, 21680), (4336, 20830), (5420, 16664), (8332, 10840), (8672, 10415)]