25897120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9521}}^1$

素因数の和:9553

約数の個数: 48

約数和(自身を含む): 64787688

約数和(自身を除く): 38890568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9521, 19042, 38084, 47605, 76168, 95210, 152336, 161857, 190420, 304672, 323714, 380840, 647428, 761680, 809285, 1294856, 1523360, 1618570, 2589712, 3237140, 5179424, 6474280, 12948560, 25897120]

約数ペア:

[(1, 25897120), (2, 12948560), (4, 6474280), (5, 5179424), (8, 3237140), (10, 2589712), (16, 1618570), (17, 1523360), (20, 1294856), (32, 809285), (34, 761680), (40, 647428), (68, 380840), (80, 323714), (85, 304672), (136, 190420), (160, 161857), (170, 152336), (272, 95210), (340, 76168), (544, 47605), (680, 38084), (1360, 19042), (2720, 9521)]