131409920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 324029160

約数和(自身を除く): 192619240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 313, 320, 328, 410, 512, 626, 640, 656, 820, 1024, 1252, 1280, 1312, 1565, 1640, 2048, 2504, 2560, 2624, 3130, 3280, 5008, 5120, 5248, 6260, 6560, 10016, 10240, 10496, 12520, 12833, 13120, 20032, 20992, 25040, 25666, 26240, 40064, 41984, 50080, 51332, 52480, 64165, 80128, 83968, 100160, 102664, 104960, 128330, 160256, 200320, 205328, 209920, 256660, 320512, 400640, 410656, 419840, 513320, 641024, 801280, 821312, 1026640, 1602560, 1642624, 2053280, 3205120, 3285248, 4106560, 6570496, 8213120, 13140992, 16426240, 26281984, 32852480, 65704960, 131409920]

約数ペア:

[(1, 131409920), (2, 65704960), (4, 32852480), (5, 26281984), (8, 16426240), (10, 13140992), (16, 8213120), (20, 6570496), (32, 4106560), (40, 3285248), (41, 3205120), (64, 2053280), (80, 1642624), (82, 1602560), (128, 1026640), (160, 821312), (164, 801280), (205, 641024), (256, 513320), (313, 419840), (320, 410656), (328, 400640), (410, 320512), (512, 256660), (626, 209920), (640, 205328), (656, 200320), (820, 160256), (1024, 128330), (1252, 104960), (1280, 102664), (1312, 100160), (1565, 83968), (1640, 80128), (2048, 64165), (2504, 52480), (2560, 51332), (2624, 50080), (3130, 41984), (3280, 40064), (5008, 26240), (5120, 25666), (5248, 25040), (6260, 20992), (6560, 20032), (10016, 13120), (10240, 12833), (10496, 12520)]