25866490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 53851392

約数和(自身を除く): 27984902

約数列:

[1, 2, 5, 10, 13, 23, 26, 41, 46, 65, 82, 115, 130, 205, 211, 230, 299, 410, 422, 533, 598, 943, 1055, 1066, 1495, 1886, 2110, 2665, 2743, 2990, 4715, 4853, 5330, 5486, 8651, 9430, 9706, 12259, 13715, 17302, 24265, 24518, 27430, 43255, 48530, 61295, 63089, 86510, 112463, 122590, 126178, 198973, 224926, 315445, 397946, 562315, 630890, 994865, 1124630, 1989730, 2586649, 5173298, 12933245, 25866490]

約数ペア:

[(1, 25866490), (2, 12933245), (5, 5173298), (10, 2586649), (13, 1989730), (23, 1124630), (26, 994865), (41, 630890), (46, 562315), (65, 397946), (82, 315445), (115, 224926), (130, 198973), (205, 126178), (211, 122590), (230, 112463), (299, 86510), (410, 63089), (422, 61295), (533, 48530), (598, 43255), (943, 27430), (1055, 24518), (1066, 24265), (1495, 17302), (1886, 13715), (2110, 12259), (2665, 9706), (2743, 9430), (2990, 8651), (4715, 5486), (4853, 5330)]