81534650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1367

約数の個数: 48

約数和(自身を含む): 160489728

約数和(自身を除く): 78955078

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1025, 1271, 1283, 1550, 2050, 2542, 2566, 6355, 6415, 12710, 12830, 31775, 32075, 39773, 52603, 63550, 64150, 79546, 105206, 198865, 263015, 397730, 526030, 994325, 1315075, 1630693, 1988650, 2630150, 3261386, 8153465, 16306930, 40767325, 81534650]

約数ペア:

[(1, 81534650), (2, 40767325), (5, 16306930), (10, 8153465), (25, 3261386), (31, 2630150), (41, 1988650), (50, 1630693), (62, 1315075), (82, 994325), (155, 526030), (205, 397730), (310, 263015), (410, 198865), (775, 105206), (1025, 79546), (1271, 64150), (1283, 63550), (1550, 52603), (2050, 39773), (2542, 32075), (2566, 31775), (6355, 12830), (6415, 12710)]