2755280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 7285248

約数和(自身を除く): 4529968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 101, 110, 124, 155, 176, 202, 220, 248, 310, 341, 404, 440, 496, 505, 620, 682, 808, 880, 1010, 1111, 1240, 1364, 1616, 1705, 2020, 2222, 2480, 2728, 3131, 3410, 4040, 4444, 5456, 5555, 6262, 6820, 8080, 8888, 11110, 12524, 13640, 15655, 17776, 22220, 25048, 27280, 31310, 34441, 44440, 50096, 62620, 68882, 88880, 125240, 137764, 172205, 250480, 275528, 344410, 551056, 688820, 1377640, 2755280]

約数ペア:

[(1, 2755280), (2, 1377640), (4, 688820), (5, 551056), (8, 344410), (10, 275528), (11, 250480), (16, 172205), (20, 137764), (22, 125240), (31, 88880), (40, 68882), (44, 62620), (55, 50096), (62, 44440), (80, 34441), (88, 31310), (101, 27280), (110, 25048), (124, 22220), (155, 17776), (176, 15655), (202, 13640), (220, 12524), (248, 11110), (310, 8888), (341, 8080), (404, 6820), (440, 6262), (496, 5555), (505, 5456), (620, 4444), (682, 4040), (808, 3410), (880, 3131), (1010, 2728), (1111, 2480), (1240, 2222), (1364, 2020), (1616, 1705)]