65140816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 146240640

約数和(自身を除く): 81099824

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 152, 208, 212, 247, 304, 311, 424, 494, 622, 689, 848, 988, 1007, 1244, 1378, 1976, 2014, 2488, 2756, 3952, 4028, 4043, 4976, 5512, 5909, 8056, 8086, 11024, 11818, 13091, 16112, 16172, 16483, 23636, 26182, 32344, 32966, 47272, 52364, 64688, 65932, 76817, 94544, 104728, 131864, 153634, 209456, 214279, 263728, 307268, 313177, 428558, 614536, 626354, 857116, 1229072, 1252708, 1714232, 2505416, 3428464, 4071301, 5010832, 8142602, 16285204, 32570408, 65140816]

約数ペア:

[(1, 65140816), (2, 32570408), (4, 16285204), (8, 8142602), (13, 5010832), (16, 4071301), (19, 3428464), (26, 2505416), (38, 1714232), (52, 1252708), (53, 1229072), (76, 857116), (104, 626354), (106, 614536), (152, 428558), (208, 313177), (212, 307268), (247, 263728), (304, 214279), (311, 209456), (424, 153634), (494, 131864), (622, 104728), (689, 94544), (848, 76817), (988, 65932), (1007, 64688), (1244, 52364), (1378, 47272), (1976, 32966), (2014, 32344), (2488, 26182), (2756, 23636), (3952, 16483), (4028, 16172), (4043, 16112), (4976, 13091), (5512, 11818), (5909, 11024), (8056, 8086)]