100459640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28219}}^1$

素因数の和:28319

約数の個数: 32

約数和(自身を含む): 228582000

約数和(自身を除く): 128122360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 28219, 56438, 112876, 141095, 225752, 282190, 564380, 1128760, 2511491, 5022982, 10045964, 12557455, 20091928, 25114910, 50229820, 100459640]

約数ペア:

[(1, 100459640), (2, 50229820), (4, 25114910), (5, 20091928), (8, 12557455), (10, 10045964), (20, 5022982), (40, 2511491), (89, 1128760), (178, 564380), (356, 282190), (445, 225752), (712, 141095), (890, 112876), (1780, 56438), (3560, 28219)]