40055145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 75043584

約数和(自身を除く): 34988439

約数列:

[1, 3, 5, 13, 15, 17, 39, 43, 51, 65, 85, 129, 195, 215, 221, 255, 281, 559, 645, 663, 731, 843, 1105, 1405, 1677, 2193, 2795, 3315, 3653, 3655, 4215, 4777, 8385, 9503, 10959, 10965, 12083, 14331, 18265, 23885, 28509, 36249, 47515, 54795, 60415, 62101, 71655, 142545, 157079, 181245, 186303, 205411, 310505, 471237, 616233, 785395, 931515, 1027055, 2356185, 2670343, 3081165, 8011029, 13351715, 40055145]

約数ペア:

[(1, 40055145), (3, 13351715), (5, 8011029), (13, 3081165), (15, 2670343), (17, 2356185), (39, 1027055), (43, 931515), (51, 785395), (65, 616233), (85, 471237), (129, 310505), (195, 205411), (215, 186303), (221, 181245), (255, 157079), (281, 142545), (559, 71655), (645, 62101), (663, 60415), (731, 54795), (843, 47515), (1105, 36249), (1405, 28509), (1677, 23885), (2193, 18265), (2795, 14331), (3315, 12083), (3653, 10965), (3655, 10959), (4215, 9503), (4777, 8385)]