3122320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 7499520

約数和(自身を除く): 4377200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1259, 2480, 2518, 5036, 6295, 10072, 12590, 20144, 25180, 39029, 50360, 78058, 100720, 156116, 195145, 312232, 390290, 624464, 780580, 1561160, 3122320]

約数ペア:

[(1, 3122320), (2, 1561160), (4, 780580), (5, 624464), (8, 390290), (10, 312232), (16, 195145), (20, 156116), (31, 100720), (40, 78058), (62, 50360), (80, 39029), (124, 25180), (155, 20144), (248, 12590), (310, 10072), (496, 6295), (620, 5036), (1240, 2518), (1259, 2480)]