25072580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1321}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 57522864

約数和(自身を除く): 32450284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1321, 1460, 1898, 2642, 3796, 4745, 5284, 6605, 9490, 13210, 17173, 18980, 26420, 34346, 68692, 85865, 96433, 171730, 192866, 343460, 385732, 482165, 964330, 1253629, 1928660, 2507258, 5014516, 6268145, 12536290, 25072580]

約数ペア:

[(1, 25072580), (2, 12536290), (4, 6268145), (5, 5014516), (10, 2507258), (13, 1928660), (20, 1253629), (26, 964330), (52, 482165), (65, 385732), (73, 343460), (130, 192866), (146, 171730), (260, 96433), (292, 85865), (365, 68692), (730, 34346), (949, 26420), (1321, 18980), (1460, 17173), (1898, 13210), (2642, 9490), (3796, 6605), (4745, 5284)]