80498314220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1\times {\mathrm{39397}}^1$

素因数の和:39727

約数の個数: 72

約数和(自身を含む): 179046890064

約数和(自身を除く): 98548575844

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 361, 380, 566, 722, 1132, 1415, 1444, 1805, 2830, 3610, 5377, 5660, 7220, 10754, 21508, 26885, 39397, 53770, 78794, 102163, 107540, 157588, 196985, 204326, 393970, 408652, 510815, 748543, 787940, 1021630, 1497086, 2043260, 2994172, 3742715, 7485430, 11149351, 14222317, 14970860, 22298702, 28444634, 44597404, 55746755, 56889268, 71111585, 111493510, 142223170, 211837669, 222987020, 284446340, 423675338, 847350676, 1059188345, 2118376690, 4024915711, 4236753380, 8049831422, 16099662844, 20124578555, 40249157110, 80498314220]

約数ペア:

[(1, 80498314220), (2, 40249157110), (4, 20124578555), (5, 16099662844), (10, 8049831422), (19, 4236753380), (20, 4024915711), (38, 2118376690), (76, 1059188345), (95, 847350676), (190, 423675338), (283, 284446340), (361, 222987020), (380, 211837669), (566, 142223170), (722, 111493510), (1132, 71111585), (1415, 56889268), (1444, 55746755), (1805, 44597404), (2830, 28444634), (3610, 22298702), (5377, 14970860), (5660, 14222317), (7220, 11149351), (10754, 7485430), (21508, 3742715), (26885, 2994172), (39397, 2043260), (53770, 1497086), (78794, 1021630), (102163, 787940), (107540, 748543), (157588, 510815), (196985, 408652), (204326, 393970)]