64836500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 150958080

約数和(自身を除く): 86121580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 89, 94, 100, 124, 125, 155, 178, 188, 235, 250, 310, 356, 445, 470, 500, 620, 775, 890, 940, 1175, 1457, 1550, 1780, 2225, 2350, 2759, 2914, 3100, 3875, 4183, 4450, 4700, 5518, 5828, 5875, 7285, 7750, 8366, 8900, 11036, 11125, 11750, 13795, 14570, 15500, 16732, 20915, 22250, 23500, 27590, 29140, 36425, 41830, 44500, 55180, 68975, 72850, 83660, 104575, 129673, 137950, 145700, 182125, 209150, 259346, 275900, 344875, 364250, 418300, 518692, 522875, 648365, 689750, 728500, 1045750, 1296730, 1379500, 2091500, 2593460, 3241825, 6483650, 12967300, 16209125, 32418250, 64836500]

約数ペア:

[(1, 64836500), (2, 32418250), (4, 16209125), (5, 12967300), (10, 6483650), (20, 3241825), (25, 2593460), (31, 2091500), (47, 1379500), (50, 1296730), (62, 1045750), (89, 728500), (94, 689750), (100, 648365), (124, 522875), (125, 518692), (155, 418300), (178, 364250), (188, 344875), (235, 275900), (250, 259346), (310, 209150), (356, 182125), (445, 145700), (470, 137950), (500, 129673), (620, 104575), (775, 83660), (890, 72850), (940, 68975), (1175, 55180), (1457, 44500), (1550, 41830), (1780, 36425), (2225, 29140), (2350, 27590), (2759, 23500), (2914, 22250), (3100, 20915), (3875, 16732), (4183, 15500), (4450, 14570), (4700, 13795), (5518, 11750), (5828, 11125), (5875, 11036), (7285, 8900), (7750, 8366)]