40663540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 90034560

約数和(自身を除く): 49371020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 811, 1090, 1622, 2180, 2507, 3244, 4055, 5014, 8110, 10028, 12535, 16220, 18653, 25070, 37306, 50140, 74612, 88399, 93265, 176798, 186530, 353596, 373060, 441995, 883990, 1767980, 2033177, 4066354, 8132708, 10165885, 20331770, 40663540]

約数ペア:

[(1, 40663540), (2, 20331770), (4, 10165885), (5, 8132708), (10, 4066354), (20, 2033177), (23, 1767980), (46, 883990), (92, 441995), (109, 373060), (115, 353596), (218, 186530), (230, 176798), (436, 93265), (460, 88399), (545, 74612), (811, 50140), (1090, 37306), (1622, 25070), (2180, 18653), (2507, 16220), (3244, 12535), (4055, 10028), (5014, 8110)]