65050000

素因数分解:

$2^4\times 5^5\times {\mathrm{1301}}^1$

素因数の和:1334

約数の個数: 60

約数和(自身を含む): 157653972

約数和(自身を除く): 92603972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1301, 2000, 2500, 2602, 3125, 5000, 5204, 6250, 6505, 10000, 10408, 12500, 13010, 20816, 25000, 26020, 32525, 50000, 52040, 65050, 104080, 130100, 162625, 260200, 325250, 520400, 650500, 813125, 1301000, 1626250, 2602000, 3252500, 4065625, 6505000, 8131250, 13010000, 16262500, 32525000, 65050000]

約数ペア:

[(1, 65050000), (2, 32525000), (4, 16262500), (5, 13010000), (8, 8131250), (10, 6505000), (16, 4065625), (20, 3252500), (25, 2602000), (40, 1626250), (50, 1301000), (80, 813125), (100, 650500), (125, 520400), (200, 325250), (250, 260200), (400, 162625), (500, 130100), (625, 104080), (1000, 65050), (1250, 52040), (1301, 50000), (2000, 32525), (2500, 26020), (2602, 25000), (3125, 20816), (5000, 13010), (5204, 12500), (6250, 10408), (6505, 10000)]