20174766875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{3307}}^1$

素因数の和:3597

約数の個数: 40

約数和(自身を含む): 25918153536

約数和(自身を除く): 5743386661

約数列:

[1, 5, 25, 43, 125, 215, 227, 625, 1075, 1135, 3307, 5375, 5675, 9761, 16535, 26875, 28375, 48805, 82675, 141875, 142201, 244025, 413375, 711005, 750689, 1220125, 2066875, 3555025, 3753445, 6100625, 17775125, 18767225, 32279627, 88875625, 93836125, 161398135, 469180625, 806990675, 4034953375, 20174766875]

約数ペア:

[(1, 20174766875), (5, 4034953375), (25, 806990675), (43, 469180625), (125, 161398135), (215, 93836125), (227, 88875625), (625, 32279627), (1075, 18767225), (1135, 17775125), (3307, 6100625), (5375, 3753445), (5675, 3555025), (9761, 2066875), (16535, 1220125), (26875, 750689), (28375, 711005), (48805, 413375), (82675, 244025), (141875, 142201)]