40828160

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 98896896

約数和(自身を除く): 58068736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 191, 256, 320, 334, 382, 640, 668, 764, 835, 955, 1280, 1336, 1528, 1670, 1910, 2672, 3056, 3340, 3820, 5344, 6112, 6680, 7640, 10688, 12224, 13360, 15280, 21376, 24448, 26720, 30560, 31897, 42752, 48896, 53440, 61120, 63794, 106880, 122240, 127588, 159485, 213760, 244480, 255176, 318970, 510352, 637940, 1020704, 1275880, 2041408, 2551760, 4082816, 5103520, 8165632, 10207040, 20414080, 40828160]

約数ペア:

[(1, 40828160), (2, 20414080), (4, 10207040), (5, 8165632), (8, 5103520), (10, 4082816), (16, 2551760), (20, 2041408), (32, 1275880), (40, 1020704), (64, 637940), (80, 510352), (128, 318970), (160, 255176), (167, 244480), (191, 213760), (256, 159485), (320, 127588), (334, 122240), (382, 106880), (640, 63794), (668, 61120), (764, 53440), (835, 48896), (955, 42752), (1280, 31897), (1336, 30560), (1528, 26720), (1670, 24448), (1910, 21376), (2672, 15280), (3056, 13360), (3340, 12224), (3820, 10688), (5344, 7640), (6112, 6680)]