25090640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 65085120

約数和(自身を除く): 39994480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 971, 1292, 1360, 1520, 1615, 1942, 2584, 3230, 3884, 4855, 5168, 6460, 7768, 9710, 12920, 15536, 16507, 18449, 19420, 25840, 33014, 36898, 38840, 66028, 73796, 77680, 82535, 92245, 132056, 147592, 165070, 184490, 264112, 295184, 313633, 330140, 368980, 627266, 660280, 737960, 1254532, 1320560, 1475920, 1568165, 2509064, 3136330, 5018128, 6272660, 12545320, 25090640]

約数ペア:

[(1, 25090640), (2, 12545320), (4, 6272660), (5, 5018128), (8, 3136330), (10, 2509064), (16, 1568165), (17, 1475920), (19, 1320560), (20, 1254532), (34, 737960), (38, 660280), (40, 627266), (68, 368980), (76, 330140), (80, 313633), (85, 295184), (95, 264112), (136, 184490), (152, 165070), (170, 147592), (190, 132056), (272, 92245), (304, 82535), (323, 77680), (340, 73796), (380, 66028), (646, 38840), (680, 36898), (760, 33014), (971, 25840), (1292, 19420), (1360, 18449), (1520, 16507), (1615, 15536), (1942, 12920), (2584, 9710), (3230, 7768), (3884, 6460), (4855, 5168)]