31823360

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 80

約数和(自身を含む): 78959232

約数和(自身を除く): 47135872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 401, 496, 512, 620, 640, 802, 992, 1240, 1280, 1604, 1984, 2005, 2480, 2560, 3208, 3968, 4010, 4960, 6416, 7936, 8020, 9920, 12431, 12832, 15872, 16040, 19840, 24862, 25664, 32080, 39680, 49724, 51328, 62155, 64160, 79360, 99448, 102656, 124310, 128320, 198896, 205312, 248620, 256640, 397792, 497240, 513280, 795584, 994480, 1026560, 1591168, 1988960, 3182336, 3977920, 6364672, 7955840, 15911680, 31823360]

約数ペア:

[(1, 31823360), (2, 15911680), (4, 7955840), (5, 6364672), (8, 3977920), (10, 3182336), (16, 1988960), (20, 1591168), (31, 1026560), (32, 994480), (40, 795584), (62, 513280), (64, 497240), (80, 397792), (124, 256640), (128, 248620), (155, 205312), (160, 198896), (248, 128320), (256, 124310), (310, 102656), (320, 99448), (401, 79360), (496, 64160), (512, 62155), (620, 51328), (640, 49724), (802, 39680), (992, 32080), (1240, 25664), (1280, 24862), (1604, 19840), (1984, 16040), (2005, 15872), (2480, 12832), (2560, 12431), (3208, 9920), (3968, 8020), (4010, 7936), (4960, 6416)]