40359760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 108493056

約数和(自身を除く): 68133296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 743, 776, 970, 1358, 1486, 1552, 1940, 2716, 2972, 3395, 3715, 3880, 5201, 5432, 5944, 6790, 7430, 7760, 10402, 10864, 11888, 13580, 14860, 20804, 26005, 27160, 29720, 41608, 52010, 54320, 59440, 72071, 83216, 104020, 144142, 208040, 288284, 360355, 416080, 504497, 576568, 720710, 1008994, 1153136, 1441420, 2017988, 2522485, 2882840, 4035976, 5044970, 5765680, 8071952, 10089940, 20179880, 40359760]

約数ペア:

[(1, 40359760), (2, 20179880), (4, 10089940), (5, 8071952), (7, 5765680), (8, 5044970), (10, 4035976), (14, 2882840), (16, 2522485), (20, 2017988), (28, 1441420), (35, 1153136), (40, 1008994), (56, 720710), (70, 576568), (80, 504497), (97, 416080), (112, 360355), (140, 288284), (194, 208040), (280, 144142), (388, 104020), (485, 83216), (560, 72071), (679, 59440), (743, 54320), (776, 52010), (970, 41608), (1358, 29720), (1486, 27160), (1552, 26005), (1940, 20804), (2716, 14860), (2972, 13580), (3395, 11888), (3715, 10864), (3880, 10402), (5201, 7760), (5432, 7430), (5944, 6790)]