2020133440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{485609}}^1$

素因数の和:485639

約数の個数: 56

約数和(自身を含む): 5180487480

約数和(自身を除く): 3160354040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 485609, 971218, 1942436, 2428045, 3884872, 4856090, 6312917, 7769744, 9712180, 12625834, 15539488, 19424360, 25251668, 31078976, 31564585, 38848720, 50503336, 63129170, 77697440, 101006672, 126258340, 155394880, 202013344, 252516680, 404026688, 505033360, 1010066720, 2020133440]

約数ペア:

[(1, 2020133440), (2, 1010066720), (4, 505033360), (5, 404026688), (8, 252516680), (10, 202013344), (13, 155394880), (16, 126258340), (20, 101006672), (26, 77697440), (32, 63129170), (40, 50503336), (52, 38848720), (64, 31564585), (65, 31078976), (80, 25251668), (104, 19424360), (130, 15539488), (160, 12625834), (208, 9712180), (260, 7769744), (320, 6312917), (416, 4856090), (520, 3884872), (832, 2428045), (1040, 1942436), (2080, 971218), (4160, 485609)]