12547720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{373}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 29317860

約数和(自身を除く): 16770140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 373, 580, 746, 841, 1160, 1492, 1682, 1865, 2984, 3364, 3730, 4205, 6728, 7460, 8410, 10817, 14920, 16820, 21634, 33640, 43268, 54085, 86536, 108170, 216340, 313693, 432680, 627386, 1254772, 1568465, 2509544, 3136930, 6273860, 12547720]

約数ペア:

[(1, 12547720), (2, 6273860), (4, 3136930), (5, 2509544), (8, 1568465), (10, 1254772), (20, 627386), (29, 432680), (40, 313693), (58, 216340), (116, 108170), (145, 86536), (232, 54085), (290, 43268), (373, 33640), (580, 21634), (746, 16820), (841, 14920), (1160, 10817), (1492, 8410), (1682, 7460), (1865, 6728), (2984, 4205), (3364, 3730)]