66655420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 161441280

約数和(自身を除く): 94785860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 103, 130, 131, 190, 206, 247, 260, 262, 380, 412, 494, 515, 524, 655, 988, 1030, 1235, 1310, 1339, 1703, 1957, 2060, 2470, 2489, 2620, 2678, 3406, 3914, 4940, 4978, 5356, 6695, 6812, 7828, 8515, 9785, 9956, 12445, 13390, 13493, 17030, 19570, 24890, 25441, 26780, 26986, 32357, 34060, 39140, 49780, 50882, 53972, 64714, 67465, 101764, 127205, 129428, 134930, 161785, 175409, 254410, 256367, 269860, 323570, 350818, 508820, 512734, 647140, 701636, 877045, 1025468, 1281835, 1754090, 2563670, 3332771, 3508180, 5127340, 6665542, 13331084, 16663855, 33327710, 66655420]

約数ペア:

[(1, 66655420), (2, 33327710), (4, 16663855), (5, 13331084), (10, 6665542), (13, 5127340), (19, 3508180), (20, 3332771), (26, 2563670), (38, 1754090), (52, 1281835), (65, 1025468), (76, 877045), (95, 701636), (103, 647140), (130, 512734), (131, 508820), (190, 350818), (206, 323570), (247, 269860), (260, 256367), (262, 254410), (380, 175409), (412, 161785), (494, 134930), (515, 129428), (524, 127205), (655, 101764), (988, 67465), (1030, 64714), (1235, 53972), (1310, 50882), (1339, 49780), (1703, 39140), (1957, 34060), (2060, 32357), (2470, 26986), (2489, 26780), (2620, 25441), (2678, 24890), (3406, 19570), (3914, 17030), (4940, 13493), (4978, 13390), (5356, 12445), (6695, 9956), (6812, 9785), (7828, 8515)]