25774640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 65233920

約数和(自身を除く): 39459280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 547, 589, 620, 760, 1094, 1178, 1240, 1520, 2188, 2356, 2480, 2735, 2945, 4376, 4712, 5470, 5890, 8752, 9424, 10393, 10940, 11780, 16957, 20786, 21880, 23560, 33914, 41572, 43760, 47120, 51965, 67828, 83144, 84785, 103930, 135656, 166288, 169570, 207860, 271312, 322183, 339140, 415720, 644366, 678280, 831440, 1288732, 1356560, 1610915, 2577464, 3221830, 5154928, 6443660, 12887320, 25774640]

約数ペア:

[(1, 25774640), (2, 12887320), (4, 6443660), (5, 5154928), (8, 3221830), (10, 2577464), (16, 1610915), (19, 1356560), (20, 1288732), (31, 831440), (38, 678280), (40, 644366), (62, 415720), (76, 339140), (80, 322183), (95, 271312), (124, 207860), (152, 169570), (155, 166288), (190, 135656), (248, 103930), (304, 84785), (310, 83144), (380, 67828), (496, 51965), (547, 47120), (589, 43760), (620, 41572), (760, 33914), (1094, 23560), (1178, 21880), (1240, 20786), (1520, 16957), (2188, 11780), (2356, 10940), (2480, 10393), (2735, 9424), (2945, 8752), (4376, 5890), (4712, 5470)]