25909920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:987

約数の個数: 144

約数和(自身を含む): 93169440

約数和(自身を除く): 67259520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 947, 1140, 1368, 1440, 1520, 1710, 1824, 1894, 2280, 2736, 2841, 3040, 3420, 3788, 4560, 4735, 5472, 5682, 6840, 7576, 8523, 9120, 9470, 11364, 13680, 14205, 15152, 17046, 17993, 18940, 22728, 27360, 28410, 30304, 34092, 35986, 37880, 42615, 45456, 53979, 56820, 68184, 71972, 75760, 85230, 89965, 90912, 107958, 113640, 136368, 143944, 151520, 161937, 170460, 179930, 215916, 227280, 269895, 272736, 287888, 323874, 340920, 359860, 431832, 454560, 539790, 575776, 647748, 681840, 719720, 809685, 863664, 1079580, 1295496, 1363680, 1439440, 1619370, 1727328, 2159160, 2590992, 2878880, 3238740, 4318320, 5181984, 6477480, 8636640, 12954960, 25909920]

約数ペア:

[(1, 25909920), (2, 12954960), (3, 8636640), (4, 6477480), (5, 5181984), (6, 4318320), (8, 3238740), (9, 2878880), (10, 2590992), (12, 2159160), (15, 1727328), (16, 1619370), (18, 1439440), (19, 1363680), (20, 1295496), (24, 1079580), (30, 863664), (32, 809685), (36, 719720), (38, 681840), (40, 647748), (45, 575776), (48, 539790), (57, 454560), (60, 431832), (72, 359860), (76, 340920), (80, 323874), (90, 287888), (95, 272736), (96, 269895), (114, 227280), (120, 215916), (144, 179930), (152, 170460), (160, 161937), (171, 151520), (180, 143944), (190, 136368), (228, 113640), (240, 107958), (285, 90912), (288, 89965), (304, 85230), (342, 75760), (360, 71972), (380, 68184), (456, 56820), (480, 53979), (570, 45456), (608, 42615), (684, 37880), (720, 35986), (760, 34092), (855, 30304), (912, 28410), (947, 27360), (1140, 22728), (1368, 18940), (1440, 17993), (1520, 17046), (1710, 15152), (1824, 14205), (1894, 13680), (2280, 11364), (2736, 9470), (2841, 9120), (3040, 8523), (3420, 7576), (3788, 6840), (4560, 5682), (4735, 5472)]