28345760

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 71442000

約数和(自身を除く): 43096240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 80, 82, 116, 145, 149, 160, 164, 205, 232, 290, 298, 328, 410, 464, 580, 596, 656, 745, 820, 928, 1160, 1189, 1192, 1312, 1490, 1640, 2320, 2378, 2384, 2980, 3280, 4321, 4640, 4756, 4768, 5945, 5960, 6109, 6560, 8642, 9512, 11890, 11920, 12218, 17284, 19024, 21605, 23780, 23840, 24436, 30545, 34568, 38048, 43210, 47560, 48872, 61090, 69136, 86420, 95120, 97744, 122180, 138272, 172840, 177161, 190240, 195488, 244360, 345680, 354322, 488720, 691360, 708644, 885805, 977440, 1417288, 1771610, 2834576, 3543220, 5669152, 7086440, 14172880, 28345760]

約数ペア:

[(1, 28345760), (2, 14172880), (4, 7086440), (5, 5669152), (8, 3543220), (10, 2834576), (16, 1771610), (20, 1417288), (29, 977440), (32, 885805), (40, 708644), (41, 691360), (58, 488720), (80, 354322), (82, 345680), (116, 244360), (145, 195488), (149, 190240), (160, 177161), (164, 172840), (205, 138272), (232, 122180), (290, 97744), (298, 95120), (328, 86420), (410, 69136), (464, 61090), (580, 48872), (596, 47560), (656, 43210), (745, 38048), (820, 34568), (928, 30545), (1160, 24436), (1189, 23840), (1192, 23780), (1312, 21605), (1490, 19024), (1640, 17284), (2320, 12218), (2378, 11920), (2384, 11890), (2980, 9512), (3280, 8642), (4321, 6560), (4640, 6109), (4756, 5960), (4768, 5945)]