42255920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 80

約数和(自身を含む): 114212928

約数和(自身を除く): 71957008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1237, 1708, 2135, 2440, 2474, 3416, 4270, 4880, 4948, 6185, 6832, 8540, 8659, 9896, 12370, 17080, 17318, 19792, 24740, 34160, 34636, 43295, 49480, 69272, 75457, 86590, 98960, 138544, 150914, 173180, 301828, 346360, 377285, 528199, 603656, 692720, 754570, 1056398, 1207312, 1509140, 2112796, 2640995, 3018280, 4225592, 5281990, 6036560, 8451184, 10563980, 21127960, 42255920]

約数ペア:

[(1, 42255920), (2, 21127960), (4, 10563980), (5, 8451184), (7, 6036560), (8, 5281990), (10, 4225592), (14, 3018280), (16, 2640995), (20, 2112796), (28, 1509140), (35, 1207312), (40, 1056398), (56, 754570), (61, 692720), (70, 603656), (80, 528199), (112, 377285), (122, 346360), (140, 301828), (244, 173180), (280, 150914), (305, 138544), (427, 98960), (488, 86590), (560, 75457), (610, 69272), (854, 49480), (976, 43295), (1220, 34636), (1237, 34160), (1708, 24740), (2135, 19792), (2440, 17318), (2474, 17080), (3416, 12370), (4270, 9896), (4880, 8659), (4948, 8540), (6185, 6832)]