255594560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61441}}^1$

素因数の和:61471

約数の個数: 56

約数和(自身を含む): 655463256

約数和(自身を除く): 399868696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 61441, 122882, 245764, 307205, 491528, 614410, 798733, 983056, 1228820, 1597466, 1966112, 2457640, 3194932, 3932224, 3993665, 4915280, 6389864, 7987330, 9830560, 12779728, 15974660, 19661120, 25559456, 31949320, 51118912, 63898640, 127797280, 255594560]

約数ペア:

[(1, 255594560), (2, 127797280), (4, 63898640), (5, 51118912), (8, 31949320), (10, 25559456), (13, 19661120), (16, 15974660), (20, 12779728), (26, 9830560), (32, 7987330), (40, 6389864), (52, 4915280), (64, 3993665), (65, 3932224), (80, 3194932), (104, 2457640), (130, 1966112), (160, 1597466), (208, 1228820), (260, 983056), (320, 798733), (416, 614410), (520, 491528), (832, 307205), (1040, 245764), (2080, 122882), (4160, 61441)]