15535840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 37149840

約数和(自身を除く): 21614000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1091, 1424, 1780, 2182, 2848, 3560, 4364, 5455, 7120, 8728, 10910, 14240, 17456, 21820, 34912, 43640, 87280, 97099, 174560, 194198, 388396, 485495, 776792, 970990, 1553584, 1941980, 3107168, 3883960, 7767920, 15535840]

約数ペア:

[(1, 15535840), (2, 7767920), (4, 3883960), (5, 3107168), (8, 1941980), (10, 1553584), (16, 970990), (20, 776792), (32, 485495), (40, 388396), (80, 194198), (89, 174560), (160, 97099), (178, 87280), (356, 43640), (445, 34912), (712, 21820), (890, 17456), (1091, 14240), (1424, 10910), (1780, 8728), (2182, 7120), (2848, 5455), (3560, 4364)]