401367040

素因数分解:

$2^{13}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:311

約数の個数: 112

約数和(自身を含む): 990843840

約数和(自身を除く): 589476800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 239, 256, 320, 328, 410, 478, 512, 640, 656, 820, 956, 1024, 1195, 1280, 1312, 1640, 1912, 2048, 2390, 2560, 2624, 3280, 3824, 4096, 4780, 5120, 5248, 6560, 7648, 8192, 9560, 9799, 10240, 10496, 13120, 15296, 19120, 19598, 20480, 20992, 26240, 30592, 38240, 39196, 40960, 41984, 48995, 52480, 61184, 76480, 78392, 83968, 97990, 104960, 122368, 152960, 156784, 167936, 195980, 209920, 244736, 305920, 313568, 335872, 391960, 419840, 489472, 611840, 627136, 783920, 839680, 978944, 1223680, 1254272, 1567840, 1679360, 1957888, 2447360, 2508544, 3135680, 4894720, 5017088, 6271360, 9789440, 10034176, 12542720, 20068352, 25085440, 40136704, 50170880, 80273408, 100341760, 200683520, 401367040]

約数ペア:

[(1, 401367040), (2, 200683520), (4, 100341760), (5, 80273408), (8, 50170880), (10, 40136704), (16, 25085440), (20, 20068352), (32, 12542720), (40, 10034176), (41, 9789440), (64, 6271360), (80, 5017088), (82, 4894720), (128, 3135680), (160, 2508544), (164, 2447360), (205, 1957888), (239, 1679360), (256, 1567840), (320, 1254272), (328, 1223680), (410, 978944), (478, 839680), (512, 783920), (640, 627136), (656, 611840), (820, 489472), (956, 419840), (1024, 391960), (1195, 335872), (1280, 313568), (1312, 305920), (1640, 244736), (1912, 209920), (2048, 195980), (2390, 167936), (2560, 156784), (2624, 152960), (3280, 122368), (3824, 104960), (4096, 97990), (4780, 83968), (5120, 78392), (5248, 76480), (6560, 61184), (7648, 52480), (8192, 48995), (9560, 41984), (9799, 40960), (10240, 39196), (10496, 38240), (13120, 30592), (15296, 26240), (19120, 20992), (19598, 20480)]