64448380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 147087360

約数和(自身を除く): 82638980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5471, 5890, 10942, 11780, 21884, 27355, 54710, 103949, 109420, 169601, 207898, 339202, 415796, 519745, 678404, 848005, 1039490, 1696010, 2078980, 3222419, 3392020, 6444838, 12889676, 16112095, 32224190, 64448380]

約数ペア:

[(1, 64448380), (2, 32224190), (4, 16112095), (5, 12889676), (10, 6444838), (19, 3392020), (20, 3222419), (31, 2078980), (38, 1696010), (62, 1039490), (76, 848005), (95, 678404), (124, 519745), (155, 415796), (190, 339202), (310, 207898), (380, 169601), (589, 109420), (620, 103949), (1178, 54710), (2356, 27355), (2945, 21884), (5471, 11780), (5890, 10942)]