12475220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 27473040

約数和(自身を除く): 14997820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 157, 274, 290, 314, 548, 580, 628, 685, 785, 1370, 1570, 2740, 3140, 3973, 4553, 7946, 9106, 15892, 18212, 19865, 21509, 22765, 39730, 43018, 45530, 79460, 86036, 91060, 107545, 215090, 430180, 623761, 1247522, 2495044, 3118805, 6237610, 12475220]

約数ペア:

[(1, 12475220), (2, 6237610), (4, 3118805), (5, 2495044), (10, 1247522), (20, 623761), (29, 430180), (58, 215090), (116, 107545), (137, 91060), (145, 86036), (157, 79460), (274, 45530), (290, 43018), (314, 39730), (548, 22765), (580, 21509), (628, 19865), (685, 18212), (785, 15892), (1370, 9106), (1570, 7946), (2740, 4553), (3140, 3973)]