78745625

素因数分解:

$5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 115463040

約数和(自身を除く): 36717415

約数列:

[1, 5, 7, 25, 35, 41, 125, 175, 205, 287, 439, 625, 875, 1025, 1435, 2195, 3073, 4375, 5125, 7175, 10975, 15365, 17999, 25625, 35875, 54875, 76825, 89995, 125993, 179375, 274375, 384125, 449975, 629965, 1920625, 2249875, 3149825, 11249375, 15749125, 78745625]

約数ペア:

[(1, 78745625), (5, 15749125), (7, 11249375), (25, 3149825), (35, 2249875), (41, 1920625), (125, 629965), (175, 449975), (205, 384125), (287, 274375), (439, 179375), (625, 125993), (875, 89995), (1025, 76825), (1435, 54875), (2195, 35875), (3073, 25625), (4375, 17999), (5125, 15365), (7175, 10975)]