65525000

素因数分解:

$2^3\times 5^5\times {\mathrm{2621}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 153622980

約数和(自身を除く): 88097980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 2621, 3125, 5000, 5242, 6250, 10484, 12500, 13105, 20968, 25000, 26210, 52420, 65525, 104840, 131050, 262100, 327625, 524200, 655250, 1310500, 1638125, 2621000, 3276250, 6552500, 8190625, 13105000, 16381250, 32762500, 65525000]

約数ペア:

[(1, 65525000), (2, 32762500), (4, 16381250), (5, 13105000), (8, 8190625), (10, 6552500), (20, 3276250), (25, 2621000), (40, 1638125), (50, 1310500), (100, 655250), (125, 524200), (200, 327625), (250, 262100), (500, 131050), (625, 104840), (1000, 65525), (1250, 52420), (2500, 26210), (2621, 25000), (3125, 20968), (5000, 13105), (5242, 12500), (6250, 10484)]