12528790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 25712640

約数和(自身を除く): 13183850

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 47, 61, 94, 95, 115, 122, 190, 230, 235, 305, 437, 470, 610, 874, 893, 1081, 1159, 1403, 1786, 2162, 2185, 2318, 2806, 2867, 4370, 4465, 5405, 5734, 5795, 7015, 8930, 10810, 11590, 14030, 14335, 20539, 26657, 28670, 41078, 53314, 54473, 65941, 102695, 108946, 131882, 133285, 205390, 266570, 272365, 329705, 544730, 659410, 1252879, 2505758, 6264395, 12528790]

約数ペア:

[(1, 12528790), (2, 6264395), (5, 2505758), (10, 1252879), (19, 659410), (23, 544730), (38, 329705), (46, 272365), (47, 266570), (61, 205390), (94, 133285), (95, 131882), (115, 108946), (122, 102695), (190, 65941), (230, 54473), (235, 53314), (305, 41078), (437, 28670), (470, 26657), (610, 20539), (874, 14335), (893, 14030), (1081, 11590), (1159, 10810), (1403, 8930), (1786, 7015), (2162, 5795), (2185, 5734), (2318, 5405), (2806, 4465), (2867, 4370)]