13171120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2699}}^1$

素因数の和:2773

約数の個数: 40

約数和(自身を含む): 31136400

約数和(自身を除く): 17965280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2699, 4880, 5398, 10796, 13495, 21592, 26990, 43184, 53980, 107960, 164639, 215920, 329278, 658556, 823195, 1317112, 1646390, 2634224, 3292780, 6585560, 13171120]

約数ペア:

[(1, 13171120), (2, 6585560), (4, 3292780), (5, 2634224), (8, 1646390), (10, 1317112), (16, 823195), (20, 658556), (40, 329278), (61, 215920), (80, 164639), (122, 107960), (244, 53980), (305, 43184), (488, 26990), (610, 21592), (976, 13495), (1220, 10796), (2440, 5398), (2699, 4880)]