15997280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7691}}^1$

素因数の和:7719

約数の個数: 48

約数和(自身を含む): 40706064

約数和(自身を除く): 24708784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7691, 15382, 30764, 38455, 61528, 76910, 99983, 123056, 153820, 199966, 246112, 307640, 399932, 499915, 615280, 799864, 999830, 1230560, 1599728, 1999660, 3199456, 3999320, 7998640, 15997280]

約数ペア:

[(1, 15997280), (2, 7998640), (4, 3999320), (5, 3199456), (8, 1999660), (10, 1599728), (13, 1230560), (16, 999830), (20, 799864), (26, 615280), (32, 499915), (40, 399932), (52, 307640), (65, 246112), (80, 199966), (104, 153820), (130, 123056), (160, 99983), (208, 76910), (260, 61528), (416, 38455), (520, 30764), (1040, 15382), (2080, 7691)]