25455440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16747}}^1$

素因数の和:16779

約数の個数: 40

約数和(自身を含む): 62302560

約数和(自身を除く): 36847120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16747, 33494, 66988, 83735, 133976, 167470, 267952, 318193, 334940, 636386, 669880, 1272772, 1339760, 1590965, 2545544, 3181930, 5091088, 6363860, 12727720, 25455440]

約数ペア:

[(1, 25455440), (2, 12727720), (4, 6363860), (5, 5091088), (8, 3181930), (10, 2545544), (16, 1590965), (19, 1339760), (20, 1272772), (38, 669880), (40, 636386), (76, 334940), (80, 318193), (95, 267952), (152, 167470), (190, 133976), (304, 83735), (380, 66988), (760, 33494), (1520, 16747)]