31223200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 72

約数和(自身を含む): 78744960

約数和(自身を除く): 47521760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1259, 1550, 2480, 2518, 3100, 4960, 5036, 6200, 6295, 10072, 12400, 12590, 20144, 24800, 25180, 31475, 39029, 40288, 50360, 62950, 78058, 100720, 125900, 156116, 195145, 201440, 251800, 312232, 390290, 503600, 624464, 780580, 975725, 1007200, 1248928, 1561160, 1951450, 3122320, 3902900, 6244640, 7805800, 15611600, 31223200]

約数ペア:

[(1, 31223200), (2, 15611600), (4, 7805800), (5, 6244640), (8, 3902900), (10, 3122320), (16, 1951450), (20, 1561160), (25, 1248928), (31, 1007200), (32, 975725), (40, 780580), (50, 624464), (62, 503600), (80, 390290), (100, 312232), (124, 251800), (155, 201440), (160, 195145), (200, 156116), (248, 125900), (310, 100720), (400, 78058), (496, 62950), (620, 50360), (775, 40288), (800, 39029), (992, 31475), (1240, 25180), (1259, 24800), (1550, 20144), (2480, 12590), (2518, 12400), (3100, 10072), (4960, 6295), (5036, 6200)]