811072520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^2\times {\mathrm{4517}}^1$

素因数の和:4662

約数の個数: 48

約数和(自身を含む): 1852967340

約数和(自身を除く): 1041894820

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 4489, 4517, 8978, 9034, 17956, 18068, 22445, 22585, 35912, 36136, 44890, 45170, 89780, 90340, 179560, 180680, 302639, 605278, 1210556, 1513195, 2421112, 3026390, 6052780, 12105560, 20276813, 40553626, 81107252, 101384065, 162214504, 202768130, 405536260, 811072520]

約数ペア:

[(1, 811072520), (2, 405536260), (4, 202768130), (5, 162214504), (8, 101384065), (10, 81107252), (20, 40553626), (40, 20276813), (67, 12105560), (134, 6052780), (268, 3026390), (335, 2421112), (536, 1513195), (670, 1210556), (1340, 605278), (2680, 302639), (4489, 180680), (4517, 179560), (8978, 90340), (9034, 89780), (17956, 45170), (18068, 44890), (22445, 36136), (22585, 35912)]