163750565540

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{563}}^1\times {\mathrm{2111}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 348852607488

約数和(自身を除く): 185102041948

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 563, 830, 1126, 1660, 2111, 2252, 2815, 4222, 5630, 6889, 8444, 10555, 11260, 13778, 21110, 27556, 34445, 42220, 46729, 68890, 93458, 137780, 175213, 186916, 233645, 350426, 467290, 700852, 876065, 934580, 1188493, 1752130, 2376986, 3504260, 3878507, 4753972, 5942465, 7757014, 11884930, 14542679, 15514028, 19392535, 23769860, 29085358, 38785070, 58170716, 72713395, 77570140, 98644919, 145426790, 197289838, 290853580, 394579676, 493224595, 986449190, 1972898380, 8187528277, 16375056554, 32750113108, 40937641385, 81875282770, 163750565540]

約数ペア:

[(1, 163750565540), (2, 81875282770), (4, 40937641385), (5, 32750113108), (10, 16375056554), (20, 8187528277), (83, 1972898380), (166, 986449190), (332, 493224595), (415, 394579676), (563, 290853580), (830, 197289838), (1126, 145426790), (1660, 98644919), (2111, 77570140), (2252, 72713395), (2815, 58170716), (4222, 38785070), (5630, 29085358), (6889, 23769860), (8444, 19392535), (10555, 15514028), (11260, 14542679), (13778, 11884930), (21110, 7757014), (27556, 5942465), (34445, 4753972), (42220, 3878507), (46729, 3504260), (68890, 2376986), (93458, 1752130), (137780, 1188493), (175213, 934580), (186916, 876065), (233645, 700852), (350426, 467290)]