25412720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4113

約数の個数: 40

約数和(自身を含む): 59847360

約数和(自身を除く): 34434640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4021, 6320, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 160840, 317659, 321680, 635318, 1270636, 1588295, 2541272, 3176590, 5082544, 6353180, 12706360, 25412720]

約数ペア:

[(1, 25412720), (2, 12706360), (4, 6353180), (5, 5082544), (8, 3176590), (10, 2541272), (16, 1588295), (20, 1270636), (40, 635318), (79, 321680), (80, 317659), (158, 160840), (316, 80420), (395, 64336), (632, 40210), (790, 32168), (1264, 20105), (1580, 16084), (3160, 8042), (4021, 6320)]