31907840

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 112

約数和(自身を含む): 82570320

約数和(自身を除く): 50662480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 304, 320, 328, 380, 410, 512, 608, 640, 656, 760, 779, 820, 1024, 1216, 1280, 1312, 1520, 1558, 1640, 2048, 2432, 2560, 2624, 3040, 3116, 3280, 3895, 4096, 4864, 5120, 5248, 6080, 6232, 6560, 7790, 8192, 9728, 10240, 10496, 12160, 12464, 13120, 15580, 19456, 20480, 20992, 24320, 24928, 26240, 31160, 38912, 40960, 41984, 48640, 49856, 52480, 62320, 77824, 83968, 97280, 99712, 104960, 124640, 155648, 167936, 194560, 199424, 209920, 249280, 335872, 389120, 398848, 419840, 498560, 778240, 797696, 839680, 997120, 1595392, 1679360, 1994240, 3190784, 3988480, 6381568, 7976960, 15953920, 31907840]

約数ペア:

[(1, 31907840), (2, 15953920), (4, 7976960), (5, 6381568), (8, 3988480), (10, 3190784), (16, 1994240), (19, 1679360), (20, 1595392), (32, 997120), (38, 839680), (40, 797696), (41, 778240), (64, 498560), (76, 419840), (80, 398848), (82, 389120), (95, 335872), (128, 249280), (152, 209920), (160, 199424), (164, 194560), (190, 167936), (205, 155648), (256, 124640), (304, 104960), (320, 99712), (328, 97280), (380, 83968), (410, 77824), (512, 62320), (608, 52480), (640, 49856), (656, 48640), (760, 41984), (779, 40960), (820, 38912), (1024, 31160), (1216, 26240), (1280, 24928), (1312, 24320), (1520, 20992), (1558, 20480), (1640, 19456), (2048, 15580), (2432, 13120), (2560, 12464), (2624, 12160), (3040, 10496), (3116, 10240), (3280, 9728), (3895, 8192), (4096, 7790), (4864, 6560), (5120, 6232), (5248, 6080)]