40780725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 71995392

約数和(自身を除く): 31214667

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 345, 503, 575, 705, 1081, 1175, 1509, 1725, 2515, 3243, 3525, 5405, 7545, 11569, 12575, 16215, 23641, 27025, 34707, 37725, 57845, 70923, 81075, 118205, 173535, 289225, 354615, 543743, 591025, 867675, 1631229, 1773075, 2718715, 8156145, 13593575, 40780725]

約数ペア:

[(1, 40780725), (3, 13593575), (5, 8156145), (15, 2718715), (23, 1773075), (25, 1631229), (47, 867675), (69, 591025), (75, 543743), (115, 354615), (141, 289225), (235, 173535), (345, 118205), (503, 81075), (575, 70923), (705, 57845), (1081, 37725), (1175, 34707), (1509, 27025), (1725, 23641), (2515, 16215), (3243, 12575), (3525, 11569), (5405, 7545)]