79990240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 210760704

約数和(自身を除く): 130770464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 220, 235, 352, 376, 440, 470, 517, 752, 880, 940, 967, 1034, 1504, 1760, 1880, 1934, 2068, 2585, 3760, 3868, 4136, 4835, 5170, 7520, 7736, 8272, 9670, 10340, 10637, 15472, 16544, 19340, 20680, 21274, 30944, 38680, 41360, 42548, 45449, 53185, 77360, 82720, 85096, 90898, 106370, 154720, 170192, 181796, 212740, 227245, 340384, 363592, 425480, 454490, 499939, 727184, 850960, 908980, 999878, 1454368, 1701920, 1817960, 1999756, 2499695, 3635920, 3999512, 4999390, 7271840, 7999024, 9998780, 15998048, 19997560, 39995120, 79990240]

約数ペア:

[(1, 79990240), (2, 39995120), (4, 19997560), (5, 15998048), (8, 9998780), (10, 7999024), (11, 7271840), (16, 4999390), (20, 3999512), (22, 3635920), (32, 2499695), (40, 1999756), (44, 1817960), (47, 1701920), (55, 1454368), (80, 999878), (88, 908980), (94, 850960), (110, 727184), (160, 499939), (176, 454490), (188, 425480), (220, 363592), (235, 340384), (352, 227245), (376, 212740), (440, 181796), (470, 170192), (517, 154720), (752, 106370), (880, 90898), (940, 85096), (967, 82720), (1034, 77360), (1504, 53185), (1760, 45449), (1880, 42548), (1934, 41360), (2068, 38680), (2585, 30944), (3760, 21274), (3868, 20680), (4136, 19340), (4835, 16544), (5170, 15472), (7520, 10637), (7736, 10340), (8272, 9670)]