131947840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 328361040

約数和(自身を除く): 196413200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 89, 113, 160, 164, 178, 205, 226, 320, 328, 356, 410, 445, 452, 565, 656, 712, 820, 890, 904, 1130, 1312, 1424, 1640, 1780, 1808, 2260, 2624, 2848, 3280, 3560, 3616, 3649, 4520, 4633, 5696, 6560, 7120, 7232, 7298, 9040, 9266, 10057, 13120, 14240, 14596, 18080, 18245, 18532, 20114, 23165, 28480, 29192, 36160, 36490, 37064, 40228, 46330, 50285, 58384, 72980, 74128, 80456, 92660, 100570, 116768, 145960, 148256, 160912, 185320, 201140, 233536, 291920, 296512, 321824, 370640, 402280, 412337, 583840, 643648, 741280, 804560, 824674, 1167680, 1482560, 1609120, 1649348, 2061685, 3218240, 3298696, 4123370, 6597392, 8246740, 13194784, 16493480, 26389568, 32986960, 65973920, 131947840]

約数ペア:

[(1, 131947840), (2, 65973920), (4, 32986960), (5, 26389568), (8, 16493480), (10, 13194784), (16, 8246740), (20, 6597392), (32, 4123370), (40, 3298696), (41, 3218240), (64, 2061685), (80, 1649348), (82, 1609120), (89, 1482560), (113, 1167680), (160, 824674), (164, 804560), (178, 741280), (205, 643648), (226, 583840), (320, 412337), (328, 402280), (356, 370640), (410, 321824), (445, 296512), (452, 291920), (565, 233536), (656, 201140), (712, 185320), (820, 160912), (890, 148256), (904, 145960), (1130, 116768), (1312, 100570), (1424, 92660), (1640, 80456), (1780, 74128), (1808, 72980), (2260, 58384), (2624, 50285), (2848, 46330), (3280, 40228), (3560, 37064), (3616, 36490), (3649, 36160), (4520, 29192), (4633, 28480), (5696, 23165), (6560, 20114), (7120, 18532), (7232, 18245), (7298, 18080), (9040, 14596), (9266, 14240), (10057, 13120)]