80329375

素因数分解:

$5^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 121442376

約数和(自身を除く): 41113001

約数列:

[1, 5, 7, 25, 35, 43, 49, 61, 125, 175, 215, 245, 301, 305, 427, 625, 875, 1075, 1225, 1505, 1525, 2107, 2135, 2623, 2989, 4375, 5375, 6125, 7525, 7625, 10535, 10675, 13115, 14945, 18361, 26875, 30625, 37625, 38125, 52675, 53375, 65575, 74725, 91805, 128527, 188125, 263375, 266875, 327875, 373625, 459025, 642635, 1316875, 1639375, 1868125, 2295125, 3213175, 11475625, 16065875, 80329375]

約数ペア:

[(1, 80329375), (5, 16065875), (7, 11475625), (25, 3213175), (35, 2295125), (43, 1868125), (49, 1639375), (61, 1316875), (125, 642635), (175, 459025), (215, 373625), (245, 327875), (301, 266875), (305, 263375), (427, 188125), (625, 128527), (875, 91805), (1075, 74725), (1225, 65575), (1505, 53375), (1525, 52675), (2107, 38125), (2135, 37625), (2623, 30625), (2989, 26875), (4375, 18361), (5375, 14945), (6125, 13115), (7525, 10675), (7625, 10535)]