80849825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 120528000

約数和(自身を除く): 39678175

約数列:

[1, 5, 7, 25, 29, 35, 89, 145, 175, 179, 203, 445, 623, 725, 895, 1015, 1253, 2225, 2581, 3115, 4475, 5075, 5191, 6265, 12905, 15575, 15931, 18067, 25955, 31325, 36337, 64525, 79655, 90335, 111517, 129775, 181685, 398275, 451675, 461999, 557585, 908425, 2309995, 2787925, 3233993, 11549975, 16169965, 80849825]

約数ペア:

[(1, 80849825), (5, 16169965), (7, 11549975), (25, 3233993), (29, 2787925), (35, 2309995), (89, 908425), (145, 557585), (175, 461999), (179, 451675), (203, 398275), (445, 181685), (623, 129775), (725, 111517), (895, 90335), (1015, 79655), (1253, 64525), (2225, 36337), (2581, 31325), (3115, 25955), (4475, 18067), (5075, 15931), (5191, 15575), (6265, 12905)]