26173880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 63478080

約数和(自身を除く): 37304200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 631, 680, 1037, 1220, 1262, 2074, 2440, 2524, 3155, 4148, 5048, 5185, 6310, 8296, 10370, 10727, 12620, 20740, 21454, 25240, 38491, 41480, 42908, 53635, 76982, 85816, 107270, 153964, 192455, 214540, 307928, 384910, 429080, 654347, 769820, 1308694, 1539640, 2617388, 3271735, 5234776, 6543470, 13086940, 26173880]

約数ペア:

[(1, 26173880), (2, 13086940), (4, 6543470), (5, 5234776), (8, 3271735), (10, 2617388), (17, 1539640), (20, 1308694), (34, 769820), (40, 654347), (61, 429080), (68, 384910), (85, 307928), (122, 214540), (136, 192455), (170, 153964), (244, 107270), (305, 85816), (340, 76982), (488, 53635), (610, 42908), (631, 41480), (680, 38491), (1037, 25240), (1220, 21454), (1262, 20740), (2074, 12620), (2440, 10727), (2524, 10370), (3155, 8296), (4148, 6310), (5048, 5185)]