1640192905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{26759}}^1$

素因数の和:26841

約数の個数: 32

約数和(自身を含む): 2265822720

約数和(自身を除く): 625629815

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1495, 2665, 4715, 12259, 26759, 61295, 133795, 347867, 615457, 1097119, 1739335, 3077285, 5485595, 8000941, 14262547, 25233737, 40004705, 71312735, 126168685, 328038581, 1640192905]

約数ペア:

[(1, 1640192905), (5, 328038581), (13, 126168685), (23, 71312735), (41, 40004705), (65, 25233737), (115, 14262547), (205, 8000941), (299, 5485595), (533, 3077285), (943, 1739335), (1495, 1097119), (2665, 615457), (4715, 347867), (12259, 133795), (26759, 61295)]