86641720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2939}}^1$

素因数の和:3028

約数の個数: 64

約数和(自身を含む): 215913600

約数和(自身を除く): 129271880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2939, 2948, 3685, 5878, 5896, 7370, 11756, 14695, 14740, 23512, 29390, 29480, 32329, 58780, 64658, 117560, 129316, 161645, 196913, 258632, 323290, 393826, 646580, 787652, 984565, 1293160, 1575304, 1969130, 2166043, 3938260, 4332086, 7876520, 8664172, 10830215, 17328344, 21660430, 43320860, 86641720]

約数ペア:

[(1, 86641720), (2, 43320860), (4, 21660430), (5, 17328344), (8, 10830215), (10, 8664172), (11, 7876520), (20, 4332086), (22, 3938260), (40, 2166043), (44, 1969130), (55, 1575304), (67, 1293160), (88, 984565), (110, 787652), (134, 646580), (220, 393826), (268, 323290), (335, 258632), (440, 196913), (536, 161645), (670, 129316), (737, 117560), (1340, 64658), (1474, 58780), (2680, 32329), (2939, 29480), (2948, 29390), (3685, 23512), (5878, 14740), (5896, 14695), (7370, 11756)]