88768760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 122738440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 380, 431, 542, 760, 862, 1084, 1355, 1724, 2155, 2168, 2710, 3448, 4310, 5149, 5420, 8189, 8620, 10298, 10840, 16378, 17240, 20596, 25745, 32756, 40945, 41192, 51490, 65512, 81890, 102980, 116801, 163780, 205960, 233602, 327560, 467204, 584005, 934408, 1168010, 2219219, 2336020, 4438438, 4672040, 8876876, 11096095, 17753752, 22192190, 44384380, 88768760]

約数ペア:

[(1, 88768760), (2, 44384380), (4, 22192190), (5, 17753752), (8, 11096095), (10, 8876876), (19, 4672040), (20, 4438438), (38, 2336020), (40, 2219219), (76, 1168010), (95, 934408), (152, 584005), (190, 467204), (271, 327560), (380, 233602), (431, 205960), (542, 163780), (760, 116801), (862, 102980), (1084, 81890), (1355, 65512), (1724, 51490), (2155, 41192), (2168, 40945), (2710, 32756), (3448, 25745), (4310, 20596), (5149, 17240), (5420, 16378), (8189, 10840), (8620, 10298)]