5102500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 12093004

約数和(自身を除く): 6990504

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 157, 250, 260, 314, 325, 500, 625, 628, 650, 785, 1250, 1300, 1570, 1625, 2041, 2500, 3140, 3250, 3925, 4082, 6500, 7850, 8125, 8164, 10205, 15700, 16250, 19625, 20410, 32500, 39250, 40820, 51025, 78500, 98125, 102050, 196250, 204100, 255125, 392500, 510250, 1020500, 1275625, 2551250, 5102500]

約数ペア:

[(1, 5102500), (2, 2551250), (4, 1275625), (5, 1020500), (10, 510250), (13, 392500), (20, 255125), (25, 204100), (26, 196250), (50, 102050), (52, 98125), (65, 78500), (100, 51025), (125, 40820), (130, 39250), (157, 32500), (250, 20410), (260, 19625), (314, 16250), (325, 15700), (500, 10205), (625, 8164), (628, 8125), (650, 7850), (785, 6500), (1250, 4082), (1300, 3925), (1570, 3250), (1625, 3140), (2041, 2500)]