40065025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 66745728

約数和(自身を除く): 26680703

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1601, 1925, 2275, 3575, 5005, 8005, 11207, 17611, 20813, 25025, 40025, 56035, 88055, 104065, 123277, 145691, 228943, 280175, 440275, 520325, 616385, 728455, 1144715, 1602601, 3081925, 3642275, 5723575, 8013005, 40065025]

約数ペア:

[(1, 40065025), (5, 8013005), (7, 5723575), (11, 3642275), (13, 3081925), (25, 1602601), (35, 1144715), (55, 728455), (65, 616385), (77, 520325), (91, 440275), (143, 280175), (175, 228943), (275, 145691), (325, 123277), (385, 104065), (455, 88055), (715, 56035), (1001, 40025), (1601, 25025), (1925, 20813), (2275, 17611), (3575, 11207), (5005, 8005)]