40264880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 98160384

約数和(自身を除く): 57895504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 223, 244, 296, 305, 370, 446, 488, 592, 610, 740, 892, 976, 1115, 1220, 1480, 1784, 2230, 2257, 2440, 2960, 3568, 4460, 4514, 4880, 8251, 8920, 9028, 11285, 13603, 16502, 17840, 18056, 22570, 27206, 33004, 36112, 41255, 45140, 54412, 66008, 68015, 82510, 90280, 108824, 132016, 136030, 165020, 180560, 217648, 272060, 330040, 503311, 544120, 660080, 1006622, 1088240, 2013244, 2516555, 4026488, 5033110, 8052976, 10066220, 20132440, 40264880]

約数ペア:

[(1, 40264880), (2, 20132440), (4, 10066220), (5, 8052976), (8, 5033110), (10, 4026488), (16, 2516555), (20, 2013244), (37, 1088240), (40, 1006622), (61, 660080), (74, 544120), (80, 503311), (122, 330040), (148, 272060), (185, 217648), (223, 180560), (244, 165020), (296, 136030), (305, 132016), (370, 108824), (446, 90280), (488, 82510), (592, 68015), (610, 66008), (740, 54412), (892, 45140), (976, 41255), (1115, 36112), (1220, 33004), (1480, 27206), (1784, 22570), (2230, 18056), (2257, 17840), (2440, 16502), (2960, 13603), (3568, 11285), (4460, 9028), (4514, 8920), (4880, 8251)]