2545118080

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10223}}^1$

素因数の和:10631

約数の個数: 64

約数和(自身を含む): 6100660800

約数和(自身を除く): 3555542720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1556, 1945, 3112, 3890, 6224, 7780, 10223, 12448, 15560, 20446, 24896, 31120, 40892, 49792, 51115, 62240, 81784, 102230, 124480, 163568, 204460, 248960, 327136, 408920, 654272, 817840, 1308544, 1635680, 3271360, 3976747, 6542720, 7953494, 15906988, 19883735, 31813976, 39767470, 63627952, 79534940, 127255904, 159069880, 254511808, 318139760, 509023616, 636279520, 1272559040, 2545118080]

約数ペア:

[(1, 2545118080), (2, 1272559040), (4, 636279520), (5, 509023616), (8, 318139760), (10, 254511808), (16, 159069880), (20, 127255904), (32, 79534940), (40, 63627952), (64, 39767470), (80, 31813976), (128, 19883735), (160, 15906988), (320, 7953494), (389, 6542720), (640, 3976747), (778, 3271360), (1556, 1635680), (1945, 1308544), (3112, 817840), (3890, 654272), (6224, 408920), (7780, 327136), (10223, 248960), (12448, 204460), (15560, 163568), (20446, 124480), (24896, 102230), (31120, 81784), (40892, 62240), (49792, 51115)]