40319860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9931}}^1$

素因数の和:9976

約数の個数: 48

約数和(自身を含む): 100114560

約数和(自身を除く): 59794700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 9931, 19862, 39724, 49655, 69517, 99310, 139034, 198620, 278068, 287999, 347585, 575998, 695170, 1151996, 1390340, 1439995, 2015993, 2879990, 4031986, 5759980, 8063972, 10079965, 20159930, 40319860]

約数ペア:

[(1, 40319860), (2, 20159930), (4, 10079965), (5, 8063972), (7, 5759980), (10, 4031986), (14, 2879990), (20, 2015993), (28, 1439995), (29, 1390340), (35, 1151996), (58, 695170), (70, 575998), (116, 347585), (140, 287999), (145, 278068), (203, 198620), (290, 139034), (406, 99310), (580, 69517), (812, 49655), (1015, 39724), (2030, 19862), (4060, 9931)]