28825550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 58767072

約数和(自身を除く): 29941522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 727, 793, 1454, 1525, 1586, 3050, 3635, 3965, 7270, 7930, 9451, 18175, 18902, 19825, 36350, 39650, 44347, 47255, 88694, 94510, 221735, 236275, 443470, 472550, 576511, 1108675, 1153022, 2217350, 2882555, 5765110, 14412775, 28825550]

約数ペア:

[(1, 28825550), (2, 14412775), (5, 5765110), (10, 2882555), (13, 2217350), (25, 1153022), (26, 1108675), (50, 576511), (61, 472550), (65, 443470), (122, 236275), (130, 221735), (305, 94510), (325, 88694), (610, 47255), (650, 44347), (727, 39650), (793, 36350), (1454, 19825), (1525, 18902), (1586, 18175), (3050, 9451), (3635, 7930), (3965, 7270)]