252471040

素因数分解:

$2^8\times 5^1\times {\mathrm{197243}}^1$

素因数の和:197264

約数の個数: 36

約数和(自身を含む): 604750104

約数和(自身を除く): 352279064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 197243, 394486, 788972, 986215, 1577944, 1972430, 3155888, 3944860, 6311776, 7889720, 12623552, 15779440, 25247104, 31558880, 50494208, 63117760, 126235520, 252471040]

約数ペア:

[(1, 252471040), (2, 126235520), (4, 63117760), (5, 50494208), (8, 31558880), (10, 25247104), (16, 15779440), (20, 12623552), (32, 7889720), (40, 6311776), (64, 3944860), (80, 3155888), (128, 1972430), (160, 1577944), (256, 986215), (320, 788972), (640, 394486), (1280, 197243)]