39878625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 72633600

約数和(自身を除く): 32754975

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 125, 145, 193, 285, 375, 435, 475, 551, 579, 725, 965, 1425, 1653, 2175, 2375, 2755, 2895, 3625, 3667, 4825, 5597, 7125, 8265, 10875, 11001, 13775, 14475, 16791, 18335, 24125, 27985, 41325, 55005, 68875, 72375, 83955, 91675, 106343, 139925, 206625, 275025, 319029, 419775, 458375, 531715, 699625, 1375125, 1595145, 2098875, 2658575, 7975725, 13292875, 39878625]

約数ペア:

[(1, 39878625), (3, 13292875), (5, 7975725), (15, 2658575), (19, 2098875), (25, 1595145), (29, 1375125), (57, 699625), (75, 531715), (87, 458375), (95, 419775), (125, 319029), (145, 275025), (193, 206625), (285, 139925), (375, 106343), (435, 91675), (475, 83955), (551, 72375), (579, 68875), (725, 55005), (965, 41325), (1425, 27985), (1653, 24125), (2175, 18335), (2375, 16791), (2755, 14475), (2895, 13775), (3625, 11001), (3667, 10875), (4825, 8265), (5597, 7125)]