161455100

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{12713}}^1$

素因数の和:12854

約数の個数: 36

約数和(自身を含む): 353144064

約数和(自身を除く): 191688964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 2540, 3175, 6350, 12700, 12713, 25426, 50852, 63565, 127130, 254260, 317825, 635650, 1271300, 1614551, 3229102, 6458204, 8072755, 16145510, 32291020, 40363775, 80727550, 161455100]

約数ペア:

[(1, 161455100), (2, 80727550), (4, 40363775), (5, 32291020), (10, 16145510), (20, 8072755), (25, 6458204), (50, 3229102), (100, 1614551), (127, 1271300), (254, 635650), (508, 317825), (635, 254260), (1270, 127130), (2540, 63565), (3175, 50852), (6350, 25426), (12700, 12713)]