16108840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 40849920

約数和(自身を除く): 24741080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1181, 1240, 1364, 1705, 2362, 2728, 3410, 4724, 5905, 6820, 9448, 11810, 12991, 13640, 23620, 25982, 36611, 47240, 51964, 64955, 73222, 103928, 129910, 146444, 183055, 259820, 292888, 366110, 402721, 519640, 732220, 805442, 1464440, 1610884, 2013605, 3221768, 4027210, 8054420, 16108840]

約数ペア:

[(1, 16108840), (2, 8054420), (4, 4027210), (5, 3221768), (8, 2013605), (10, 1610884), (11, 1464440), (20, 805442), (22, 732220), (31, 519640), (40, 402721), (44, 366110), (55, 292888), (62, 259820), (88, 183055), (110, 146444), (124, 129910), (155, 103928), (220, 73222), (248, 64955), (310, 51964), (341, 47240), (440, 36611), (620, 25982), (682, 23620), (1181, 13640), (1240, 12991), (1364, 11810), (1705, 9448), (2362, 6820), (2728, 5905), (3410, 4724)]