71120240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21683}}^1$

素因数の和:21737

約数の個数: 40

約数和(自身を含む): 169395408

約数和(自身を除く): 98275168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21683, 43366, 86732, 108415, 173464, 216830, 346928, 433660, 867320, 889003, 1734640, 1778006, 3556012, 4445015, 7112024, 8890030, 14224048, 17780060, 35560120, 71120240]

約数ペア:

[(1, 71120240), (2, 35560120), (4, 17780060), (5, 14224048), (8, 8890030), (10, 7112024), (16, 4445015), (20, 3556012), (40, 1778006), (41, 1734640), (80, 889003), (82, 867320), (164, 433660), (205, 346928), (328, 216830), (410, 173464), (656, 108415), (820, 86732), (1640, 43366), (3280, 21683)]