28559375

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 13000465

約数列:

[1, 5, 13, 19, 25, 37, 65, 95, 125, 185, 247, 325, 475, 481, 625, 703, 925, 1235, 1625, 2375, 2405, 3125, 3515, 4625, 6175, 8125, 9139, 11875, 12025, 17575, 23125, 30875, 40625, 45695, 59375, 60125, 87875, 115625, 154375, 228475, 300625, 439375, 771875, 1142375, 1503125, 2196875, 5711875, 28559375]

約数ペア:

[(1, 28559375), (5, 5711875), (13, 2196875), (19, 1503125), (25, 1142375), (37, 771875), (65, 439375), (95, 300625), (125, 228475), (185, 154375), (247, 115625), (325, 87875), (475, 60125), (481, 59375), (625, 45695), (703, 40625), (925, 30875), (1235, 23125), (1625, 17575), (2375, 12025), (2405, 11875), (3125, 9139), (3515, 8125), (4625, 6175)]