86342440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 202176000

約数和(自身を除く): 115833560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 179, 248, 310, 358, 389, 620, 716, 778, 895, 1240, 1432, 1556, 1790, 1945, 3112, 3580, 3890, 5549, 7160, 7780, 11098, 12059, 15560, 22196, 24118, 27745, 44392, 48236, 55490, 60295, 69631, 96472, 110980, 120590, 139262, 221960, 241180, 278524, 348155, 482360, 557048, 696310, 1392620, 2158561, 2785240, 4317122, 8634244, 10792805, 17268488, 21585610, 43171220, 86342440]

約数ペア:

[(1, 86342440), (2, 43171220), (4, 21585610), (5, 17268488), (8, 10792805), (10, 8634244), (20, 4317122), (31, 2785240), (40, 2158561), (62, 1392620), (124, 696310), (155, 557048), (179, 482360), (248, 348155), (310, 278524), (358, 241180), (389, 221960), (620, 139262), (716, 120590), (778, 110980), (895, 96472), (1240, 69631), (1432, 60295), (1556, 55490), (1790, 48236), (1945, 44392), (3112, 27745), (3580, 24118), (3890, 22196), (5549, 15560), (7160, 12059), (7780, 11098)]