65215000

素因数分解:

$2^3\times 5^4\times {\mathrm{13043}}^1$

素因数の和:13069

約数の個数: 40

約数和(自身を含む): 152810460

約数和(自身を除く): 87595460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13043, 26086, 52172, 65215, 104344, 130430, 260860, 326075, 521720, 652150, 1304300, 1630375, 2608600, 3260750, 6521500, 8151875, 13043000, 16303750, 32607500, 65215000]

約数ペア:

[(1, 65215000), (2, 32607500), (4, 16303750), (5, 13043000), (8, 8151875), (10, 6521500), (20, 3260750), (25, 2608600), (40, 1630375), (50, 1304300), (100, 652150), (125, 521720), (200, 326075), (250, 260860), (500, 130430), (625, 104344), (1000, 65215), (1250, 52172), (2500, 26086), (5000, 13043)]