40508480

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:751

約数の個数: 56

約数和(自身を含む): 97020888

約数和(自身を除く): 56512408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 457, 554, 914, 1108, 1385, 1828, 2216, 2285, 2770, 3656, 4432, 4570, 5540, 7312, 8864, 9140, 11080, 14624, 17728, 18280, 22160, 29248, 36560, 44320, 73120, 88640, 126589, 146240, 253178, 506356, 632945, 1012712, 1265890, 2025424, 2531780, 4050848, 5063560, 8101696, 10127120, 20254240, 40508480]

約数ペア:

[(1, 40508480), (2, 20254240), (4, 10127120), (5, 8101696), (8, 5063560), (10, 4050848), (16, 2531780), (20, 2025424), (32, 1265890), (40, 1012712), (64, 632945), (80, 506356), (160, 253178), (277, 146240), (320, 126589), (457, 88640), (554, 73120), (914, 44320), (1108, 36560), (1385, 29248), (1828, 22160), (2216, 18280), (2285, 17728), (2770, 14624), (3656, 11080), (4432, 9140), (4570, 8864), (5540, 7312)]