78902620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{4691}}^1$

素因数の和:4758

約数の個数: 36

約数和(自身を含む): 171642744

約数和(自身を除く): 92740124

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 4691, 8410, 9382, 16820, 18764, 23455, 46910, 93820, 136039, 272078, 544156, 680195, 1360390, 2720780, 3945131, 7890262, 15780524, 19725655, 39451310, 78902620]

約数ペア:

[(1, 78902620), (2, 39451310), (4, 19725655), (5, 15780524), (10, 7890262), (20, 3945131), (29, 2720780), (58, 1360390), (116, 680195), (145, 544156), (290, 272078), (580, 136039), (841, 93820), (1682, 46910), (3364, 23455), (4205, 18764), (4691, 16820), (8410, 9382)]