39658900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 92119104

約数和(自身を除く): 52460204

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 401, 430, 460, 575, 802, 860, 989, 1075, 1150, 1604, 1978, 2005, 2150, 2300, 3956, 4010, 4300, 4945, 8020, 9223, 9890, 10025, 17243, 18446, 19780, 20050, 24725, 34486, 36892, 40100, 46115, 49450, 68972, 86215, 92230, 98900, 172430, 184460, 230575, 344860, 396589, 431075, 461150, 793178, 862150, 922300, 1586356, 1724300, 1982945, 3965890, 7931780, 9914725, 19829450, 39658900]

約数ペア:

[(1, 39658900), (2, 19829450), (4, 9914725), (5, 7931780), (10, 3965890), (20, 1982945), (23, 1724300), (25, 1586356), (43, 922300), (46, 862150), (50, 793178), (86, 461150), (92, 431075), (100, 396589), (115, 344860), (172, 230575), (215, 184460), (230, 172430), (401, 98900), (430, 92230), (460, 86215), (575, 68972), (802, 49450), (860, 46115), (989, 40100), (1075, 36892), (1150, 34486), (1604, 24725), (1978, 20050), (2005, 19780), (2150, 18446), (2300, 17243), (3956, 10025), (4010, 9890), (4300, 9223), (4945, 8020)]