89465680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 222307200

約数和(自身を除く): 132841520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 829, 1136, 1349, 1420, 1520, 1658, 2698, 2840, 3316, 4145, 5396, 5680, 6632, 6745, 8290, 10792, 13264, 13490, 15751, 16580, 21584, 26980, 31502, 33160, 53960, 58859, 63004, 66320, 78755, 107920, 117718, 126008, 157510, 235436, 252016, 294295, 315020, 470872, 588590, 630040, 941744, 1118321, 1177180, 1260080, 2236642, 2354360, 4473284, 4708720, 5591605, 8946568, 11183210, 17893136, 22366420, 44732840, 89465680]

約数ペア:

[(1, 89465680), (2, 44732840), (4, 22366420), (5, 17893136), (8, 11183210), (10, 8946568), (16, 5591605), (19, 4708720), (20, 4473284), (38, 2354360), (40, 2236642), (71, 1260080), (76, 1177180), (80, 1118321), (95, 941744), (142, 630040), (152, 588590), (190, 470872), (284, 315020), (304, 294295), (355, 252016), (380, 235436), (568, 157510), (710, 126008), (760, 117718), (829, 107920), (1136, 78755), (1349, 66320), (1420, 63004), (1520, 58859), (1658, 53960), (2698, 33160), (2840, 31502), (3316, 26980), (4145, 21584), (5396, 16580), (5680, 15751), (6632, 13490), (6745, 13264), (8290, 10792)]