1325457860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1\times {\mathrm{2053}}^1$

素因数の和:3780

約数の個数: 48

約数和(自身を含む): 2933112000

約数和(自身を除く): 1607654140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1699, 2053, 3398, 4106, 6796, 8212, 8495, 10265, 16990, 20530, 32281, 33980, 39007, 41060, 64562, 78014, 129124, 156028, 161405, 195035, 322810, 390070, 645620, 780140, 3488047, 6976094, 13952188, 17440235, 34880470, 66272893, 69760940, 132545786, 265091572, 331364465, 662728930, 1325457860]

約数ペア:

[(1, 1325457860), (2, 662728930), (4, 331364465), (5, 265091572), (10, 132545786), (19, 69760940), (20, 66272893), (38, 34880470), (76, 17440235), (95, 13952188), (190, 6976094), (380, 3488047), (1699, 780140), (2053, 645620), (3398, 390070), (4106, 322810), (6796, 195035), (8212, 161405), (8495, 156028), (10265, 129124), (16990, 78014), (20530, 64562), (32281, 41060), (33980, 39007)]