38913920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1483}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 95361840

約数和(自身を除く): 56447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1483, 1640, 2624, 2966, 3280, 5248, 5932, 6560, 7415, 11864, 13120, 14830, 23728, 26240, 29660, 47456, 59320, 60803, 94912, 118640, 121606, 189824, 237280, 243212, 304015, 474560, 486424, 608030, 949120, 972848, 1216060, 1945696, 2432120, 3891392, 4864240, 7782784, 9728480, 19456960, 38913920]

約数ペア:

[(1, 38913920), (2, 19456960), (4, 9728480), (5, 7782784), (8, 4864240), (10, 3891392), (16, 2432120), (20, 1945696), (32, 1216060), (40, 972848), (41, 949120), (64, 608030), (80, 486424), (82, 474560), (128, 304015), (160, 243212), (164, 237280), (205, 189824), (320, 121606), (328, 118640), (410, 94912), (640, 60803), (656, 59320), (820, 47456), (1312, 29660), (1483, 26240), (1640, 23728), (2624, 14830), (2966, 13120), (3280, 11864), (5248, 7415), (5932, 6560)]