11839960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 29548800

約数和(自身を除く): 17708840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 379, 440, 568, 710, 758, 781, 1420, 1516, 1562, 1895, 2840, 3032, 3124, 3790, 3905, 4169, 6248, 7580, 7810, 8338, 15160, 15620, 16676, 20845, 26909, 31240, 33352, 41690, 53818, 83380, 107636, 134545, 166760, 215272, 269090, 295999, 538180, 591998, 1076360, 1183996, 1479995, 2367992, 2959990, 5919980, 11839960]

約数ペア:

[(1, 11839960), (2, 5919980), (4, 2959990), (5, 2367992), (8, 1479995), (10, 1183996), (11, 1076360), (20, 591998), (22, 538180), (40, 295999), (44, 269090), (55, 215272), (71, 166760), (88, 134545), (110, 107636), (142, 83380), (220, 53818), (284, 41690), (355, 33352), (379, 31240), (440, 26909), (568, 20845), (710, 16676), (758, 15620), (781, 15160), (1420, 8338), (1516, 7810), (1562, 7580), (1895, 6248), (2840, 4169), (3032, 3905), (3124, 3790)]