31937440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 80123904

約数和(自身を除く): 48186464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 80, 94, 124, 137, 155, 160, 188, 235, 248, 274, 310, 376, 470, 496, 548, 620, 685, 752, 940, 992, 1096, 1240, 1370, 1457, 1504, 1880, 2192, 2480, 2740, 2914, 3760, 4247, 4384, 4960, 5480, 5828, 6439, 7285, 7520, 8494, 10960, 11656, 12878, 14570, 16988, 21235, 21920, 23312, 25756, 29140, 32195, 33976, 42470, 46624, 51512, 58280, 64390, 67952, 84940, 103024, 116560, 128780, 135904, 169880, 199609, 206048, 233120, 257560, 339760, 399218, 515120, 679520, 798436, 998045, 1030240, 1596872, 1996090, 3193744, 3992180, 6387488, 7984360, 15968720, 31937440]

約数ペア:

[(1, 31937440), (2, 15968720), (4, 7984360), (5, 6387488), (8, 3992180), (10, 3193744), (16, 1996090), (20, 1596872), (31, 1030240), (32, 998045), (40, 798436), (47, 679520), (62, 515120), (80, 399218), (94, 339760), (124, 257560), (137, 233120), (155, 206048), (160, 199609), (188, 169880), (235, 135904), (248, 128780), (274, 116560), (310, 103024), (376, 84940), (470, 67952), (496, 64390), (548, 58280), (620, 51512), (685, 46624), (752, 42470), (940, 33976), (992, 32195), (1096, 29140), (1240, 25756), (1370, 23312), (1457, 21920), (1504, 21235), (1880, 16988), (2192, 14570), (2480, 12878), (2740, 11656), (2914, 10960), (3760, 8494), (4247, 7520), (4384, 7285), (4960, 6439), (5480, 5828)]