51660880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 127563264

約数和(自身を除く): 75902384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 563, 592, 620, 740, 1126, 1147, 1240, 1480, 2252, 2294, 2480, 2815, 2960, 4504, 4588, 5630, 5735, 9008, 9176, 11260, 11470, 17453, 18352, 20831, 22520, 22940, 34906, 41662, 45040, 45880, 69812, 83324, 87265, 91760, 104155, 139624, 166648, 174530, 208310, 279248, 333296, 349060, 416620, 645761, 698120, 833240, 1291522, 1396240, 1666480, 2583044, 3228805, 5166088, 6457610, 10332176, 12915220, 25830440, 51660880]

約数ペア:

[(1, 51660880), (2, 25830440), (4, 12915220), (5, 10332176), (8, 6457610), (10, 5166088), (16, 3228805), (20, 2583044), (31, 1666480), (37, 1396240), (40, 1291522), (62, 833240), (74, 698120), (80, 645761), (124, 416620), (148, 349060), (155, 333296), (185, 279248), (248, 208310), (296, 174530), (310, 166648), (370, 139624), (496, 104155), (563, 91760), (592, 87265), (620, 83324), (740, 69812), (1126, 45880), (1147, 45040), (1240, 41662), (1480, 34906), (2252, 22940), (2294, 22520), (2480, 20831), (2815, 18352), (2960, 17453), (4504, 11470), (4588, 11260), (5630, 9176), (5735, 9008)]