81580180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6079}}^1$

素因数の和:6160

約数の個数: 48

約数和(自身を含む): 189987840

約数和(自身を除く): 108407660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6079, 6710, 12158, 13420, 24316, 30395, 60790, 66869, 121580, 133738, 267476, 334345, 370819, 668690, 741638, 1337380, 1483276, 1854095, 3708190, 4079009, 7416380, 8158018, 16316036, 20395045, 40790090, 81580180]

約数ペア:

[(1, 81580180), (2, 40790090), (4, 20395045), (5, 16316036), (10, 8158018), (11, 7416380), (20, 4079009), (22, 3708190), (44, 1854095), (55, 1483276), (61, 1337380), (110, 741638), (122, 668690), (220, 370819), (244, 334345), (305, 267476), (610, 133738), (671, 121580), (1220, 66869), (1342, 60790), (2684, 30395), (3355, 24316), (6079, 13420), (6710, 12158)]