40819870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 93413376

約数和(自身を除く): 52593506

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 1447, 2015, 2170, 2821, 2894, 4030, 5642, 7235, 10129, 14105, 14470, 18811, 20258, 28210, 37622, 44857, 50645, 89714, 94055, 101290, 131677, 188110, 224285, 263354, 313999, 448570, 583141, 627998, 658385, 1166282, 1316770, 1569995, 2915705, 3139990, 4081987, 5831410, 8163974, 20409935, 40819870]

約数ペア:

[(1, 40819870), (2, 20409935), (5, 8163974), (7, 5831410), (10, 4081987), (13, 3139990), (14, 2915705), (26, 1569995), (31, 1316770), (35, 1166282), (62, 658385), (65, 627998), (70, 583141), (91, 448570), (130, 313999), (155, 263354), (182, 224285), (217, 188110), (310, 131677), (403, 101290), (434, 94055), (455, 89714), (806, 50645), (910, 44857), (1085, 37622), (1447, 28210), (2015, 20258), (2170, 18811), (2821, 14470), (2894, 14105), (4030, 10129), (5642, 7235)]