126465280

素因数分解:

$2^8\times 5^1\times {\mathrm{98801}}^1$

素因数の和:98822

約数の個数: 36

約数和(自身を含む): 302926932

約数和(自身を除く): 176461652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 98801, 197602, 395204, 494005, 790408, 988010, 1580816, 1976020, 3161632, 3952040, 6323264, 7904080, 12646528, 15808160, 25293056, 31616320, 63232640, 126465280]

約数ペア:

[(1, 126465280), (2, 63232640), (4, 31616320), (5, 25293056), (8, 15808160), (10, 12646528), (16, 7904080), (20, 6323264), (32, 3952040), (40, 3161632), (64, 1976020), (80, 1580816), (128, 988010), (160, 790408), (256, 494005), (320, 395204), (640, 197602), (1280, 98801)]