12887320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 31564800

約数和(自身を除く): 18677480

約数列:

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

約数ペア:

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