2087008240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{636283}}^1$

素因数の和:636337

約数の個数: 40

約数和(自身を含む): 4970650608

約数和(自身を除く): 2883642368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 636283, 1272566, 2545132, 3181415, 5090264, 6362830, 10180528, 12725660, 25451320, 26087603, 50902640, 52175206, 104350412, 130438015, 208700824, 260876030, 417401648, 521752060, 1043504120, 2087008240]

約数ペア:

[(1, 2087008240), (2, 1043504120), (4, 521752060), (5, 417401648), (8, 260876030), (10, 208700824), (16, 130438015), (20, 104350412), (40, 52175206), (41, 50902640), (80, 26087603), (82, 25451320), (164, 12725660), (205, 10180528), (328, 6362830), (410, 5090264), (656, 3181415), (820, 2545132), (1640, 1272566), (3280, 636283)]