54480640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 134805888

約数和(自身を除く): 80325248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1373, 1984, 2480, 2746, 3968, 4960, 5492, 6865, 7936, 9920, 10984, 13730, 19840, 21968, 27460, 39680, 42563, 43936, 54920, 85126, 87872, 109840, 170252, 175744, 212815, 219680, 340504, 351488, 425630, 439360, 681008, 851260, 878720, 1362016, 1702520, 1757440, 2724032, 3405040, 5448064, 6810080, 10896128, 13620160, 27240320, 54480640]

約数ペア:

[(1, 54480640), (2, 27240320), (4, 13620160), (5, 10896128), (8, 6810080), (10, 5448064), (16, 3405040), (20, 2724032), (31, 1757440), (32, 1702520), (40, 1362016), (62, 878720), (64, 851260), (80, 681008), (124, 439360), (128, 425630), (155, 351488), (160, 340504), (248, 219680), (256, 212815), (310, 175744), (320, 170252), (496, 109840), (620, 87872), (640, 85126), (992, 54920), (1240, 43936), (1280, 42563), (1373, 39680), (1984, 27460), (2480, 21968), (2746, 19840), (3968, 13730), (4960, 10984), (5492, 9920), (6865, 7936)]