20187306080

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{69439}}^1$

素因数の和:69556

約数の個数: 96

約数和(自身を含む): 50396774400

約数和(自身を除く): 30209468320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 79, 80, 92, 115, 158, 160, 184, 230, 316, 368, 395, 460, 632, 736, 790, 920, 1264, 1580, 1817, 1840, 2528, 3160, 3634, 3680, 6320, 7268, 9085, 12640, 14536, 18170, 29072, 36340, 58144, 69439, 72680, 138878, 145360, 277756, 290720, 347195, 555512, 694390, 1111024, 1388780, 1597097, 2222048, 2777560, 3194194, 5485681, 5555120, 6388388, 7985485, 10971362, 11110240, 12776776, 15970970, 21942724, 25553552, 27428405, 31941940, 43885448, 51107104, 54856810, 63883880, 87770896, 109713620, 126170663, 127767760, 175541792, 219427240, 252341326, 255535520, 438854480, 504682652, 630853315, 877708960, 1009365304, 1261706630, 2018730608, 2523413260, 4037461216, 5046826520, 10093653040, 20187306080]

約数ペア:

[(1, 20187306080), (2, 10093653040), (4, 5046826520), (5, 4037461216), (8, 2523413260), (10, 2018730608), (16, 1261706630), (20, 1009365304), (23, 877708960), (32, 630853315), (40, 504682652), (46, 438854480), (79, 255535520), (80, 252341326), (92, 219427240), (115, 175541792), (158, 127767760), (160, 126170663), (184, 109713620), (230, 87770896), (316, 63883880), (368, 54856810), (395, 51107104), (460, 43885448), (632, 31941940), (736, 27428405), (790, 25553552), (920, 21942724), (1264, 15970970), (1580, 12776776), (1817, 11110240), (1840, 10971362), (2528, 7985485), (3160, 6388388), (3634, 5555120), (3680, 5485681), (6320, 3194194), (7268, 2777560), (9085, 2222048), (12640, 1597097), (14536, 1388780), (18170, 1111024), (29072, 694390), (36340, 555512), (58144, 347195), (69439, 290720), (72680, 277756), (138878, 145360)]