814065580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{1619}}^1$

素因数の和:2470

約数の個数: 48

約数和(自身を含む): 1767951360

約数和(自身を除く): 953885780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 811, 1619, 1622, 3238, 3244, 4055, 6476, 8095, 8110, 16190, 16220, 25141, 32380, 50189, 50282, 100378, 100564, 125705, 200756, 250945, 251410, 501890, 502820, 1003780, 1313009, 2626018, 5252036, 6565045, 13130090, 26260180, 40703279, 81406558, 162813116, 203516395, 407032790, 814065580]

約数ペア:

[(1, 814065580), (2, 407032790), (4, 203516395), (5, 162813116), (10, 81406558), (20, 40703279), (31, 26260180), (62, 13130090), (124, 6565045), (155, 5252036), (310, 2626018), (620, 1313009), (811, 1003780), (1619, 502820), (1622, 501890), (3238, 251410), (3244, 250945), (4055, 200756), (6476, 125705), (8095, 100564), (8110, 100378), (16190, 50282), (16220, 50189), (25141, 32380)]