25970625

素因数分解:

$3^7\times 5^4\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 80

約数和(自身を含む): 51233600

約数和(自身を除く): 25262975

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 171, 225, 243, 285, 375, 405, 475, 513, 625, 675, 729, 855, 1125, 1215, 1425, 1539, 1875, 2025, 2187, 2375, 2565, 3375, 3645, 4275, 4617, 5625, 6075, 7125, 7695, 10125, 10935, 11875, 12825, 13851, 16875, 18225, 21375, 23085, 30375, 35625, 38475, 41553, 50625, 54675, 64125, 69255, 91125, 106875, 115425, 151875, 192375, 207765, 273375, 320625, 346275, 455625, 577125, 961875, 1038825, 1366875, 1731375, 2885625, 5194125, 8656875, 25970625]

約数ペア:

[(1, 25970625), (3, 8656875), (5, 5194125), (9, 2885625), (15, 1731375), (19, 1366875), (25, 1038825), (27, 961875), (45, 577125), (57, 455625), (75, 346275), (81, 320625), (95, 273375), (125, 207765), (135, 192375), (171, 151875), (225, 115425), (243, 106875), (285, 91125), (375, 69255), (405, 64125), (475, 54675), (513, 50625), (625, 41553), (675, 38475), (729, 35625), (855, 30375), (1125, 23085), (1215, 21375), (1425, 18225), (1539, 16875), (1875, 13851), (2025, 12825), (2187, 11875), (2375, 10935), (2565, 10125), (3375, 7695), (3645, 7125), (4275, 6075), (4617, 5625)]