65855000

素因数分解:

$2^3\times 5^4\times {\mathrm{13171}}^1$

素因数の和:13197

約数の個数: 40

約数和(自身を含む): 154309980

約数和(自身を除く): 88454980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13171, 26342, 52684, 65855, 105368, 131710, 263420, 329275, 526840, 658550, 1317100, 1646375, 2634200, 3292750, 6585500, 8231875, 13171000, 16463750, 32927500, 65855000]

約数ペア:

[(1, 65855000), (2, 32927500), (4, 16463750), (5, 13171000), (8, 8231875), (10, 6585500), (20, 3292750), (25, 2634200), (40, 1646375), (50, 1317100), (100, 658550), (125, 526840), (200, 329275), (250, 263420), (500, 131710), (625, 105368), (1000, 65855), (1250, 52684), (2500, 26342), (5000, 13171)]