25458680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 62264160

約数和(自身を除く): 36805480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 283, 346, 520, 566, 692, 865, 1132, 1384, 1415, 1730, 2249, 2264, 2830, 3460, 3679, 4498, 5660, 6920, 7358, 8996, 11245, 11320, 14716, 17992, 18395, 22490, 29432, 36790, 44980, 48959, 73580, 89960, 97918, 147160, 195836, 244795, 391672, 489590, 636467, 979180, 1272934, 1958360, 2545868, 3182335, 5091736, 6364670, 12729340, 25458680]

約数ペア:

[(1, 25458680), (2, 12729340), (4, 6364670), (5, 5091736), (8, 3182335), (10, 2545868), (13, 1958360), (20, 1272934), (26, 979180), (40, 636467), (52, 489590), (65, 391672), (104, 244795), (130, 195836), (173, 147160), (260, 97918), (283, 89960), (346, 73580), (520, 48959), (566, 44980), (692, 36790), (865, 29432), (1132, 22490), (1384, 18395), (1415, 17992), (1730, 14716), (2249, 11320), (2264, 11245), (2830, 8996), (3460, 7358), (3679, 6920), (4498, 5660)]