130003840

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2951

約数の個数: 64

約数和(自身を含む): 315277920

約数和(自身を除く): 185274080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 2861, 4544, 5680, 5722, 9088, 11360, 11444, 14305, 22720, 22888, 28610, 45440, 45776, 57220, 91552, 114440, 183104, 203131, 228880, 366208, 406262, 457760, 812524, 915520, 1015655, 1625048, 1831040, 2031310, 3250096, 4062620, 6500192, 8125240, 13000384, 16250480, 26000768, 32500960, 65001920, 130003840]

約数ペア:

[(1, 130003840), (2, 65001920), (4, 32500960), (5, 26000768), (8, 16250480), (10, 13000384), (16, 8125240), (20, 6500192), (32, 4062620), (40, 3250096), (64, 2031310), (71, 1831040), (80, 1625048), (128, 1015655), (142, 915520), (160, 812524), (284, 457760), (320, 406262), (355, 366208), (568, 228880), (640, 203131), (710, 183104), (1136, 114440), (1420, 91552), (2272, 57220), (2840, 45776), (2861, 45440), (4544, 28610), (5680, 22888), (5722, 22720), (9088, 14305), (11360, 11444)]