64960537825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{4013}}^1$

素因数の和:4738

約数の個数: 48

約数和(自身を含む): 86546335680

約数和(自身を除く): 21585797855

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 643, 1007, 1325, 3215, 4013, 5035, 12217, 16075, 20065, 25175, 34079, 61085, 76247, 100325, 170395, 212689, 305425, 381235, 647501, 851975, 1063445, 1906175, 2580359, 3237505, 4041091, 5317225, 12901795, 16187525, 20205455, 49026821, 64508975, 101027275, 136759027, 245134105, 683795135, 1225670525, 2598421513, 3418975675, 12992107565, 64960537825]

約数ペア:

[(1, 64960537825), (5, 12992107565), (19, 3418975675), (25, 2598421513), (53, 1225670525), (95, 683795135), (265, 245134105), (475, 136759027), (643, 101027275), (1007, 64508975), (1325, 49026821), (3215, 20205455), (4013, 16187525), (5035, 12901795), (12217, 5317225), (16075, 4041091), (20065, 3237505), (25175, 2580359), (34079, 1906175), (61085, 1063445), (76247, 851975), (100325, 647501), (170395, 381235), (212689, 305425)]