2013160840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{2357}}^1$

素因数の和:2662

約数の個数: 64

約数和(自身を含む): 4594138560

約数和(自身を除く): 2580977720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 163, 262, 326, 524, 652, 655, 815, 1048, 1304, 1310, 1630, 2357, 2620, 3260, 4714, 5240, 6520, 9428, 11785, 18856, 21353, 23570, 42706, 47140, 85412, 94280, 106765, 170824, 213530, 308767, 384191, 427060, 617534, 768382, 854120, 1235068, 1536764, 1543835, 1920955, 2470136, 3073528, 3087670, 3841910, 6175340, 7683820, 12350680, 15367640, 50329021, 100658042, 201316084, 251645105, 402632168, 503290210, 1006580420, 2013160840]

約数ペア:

[(1, 2013160840), (2, 1006580420), (4, 503290210), (5, 402632168), (8, 251645105), (10, 201316084), (20, 100658042), (40, 50329021), (131, 15367640), (163, 12350680), (262, 7683820), (326, 6175340), (524, 3841910), (652, 3087670), (655, 3073528), (815, 2470136), (1048, 1920955), (1304, 1543835), (1310, 1536764), (1630, 1235068), (2357, 854120), (2620, 768382), (3260, 617534), (4714, 427060), (5240, 384191), (6520, 308767), (9428, 213530), (11785, 170824), (18856, 106765), (21353, 94280), (23570, 85412), (42706, 47140)]