12841360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 35640576

約数和(自身を除く): 22799216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 997, 1288, 1610, 1840, 1994, 2576, 3220, 3988, 4985, 6440, 6979, 7976, 9970, 12880, 13958, 15952, 19940, 22931, 27916, 34895, 39880, 45862, 55832, 69790, 79760, 91724, 111664, 114655, 139580, 160517, 183448, 229310, 279160, 321034, 366896, 458620, 558320, 642068, 802585, 917240, 1284136, 1605170, 1834480, 2568272, 3210340, 6420680, 12841360]

約数ペア:

[(1, 12841360), (2, 6420680), (4, 3210340), (5, 2568272), (7, 1834480), (8, 1605170), (10, 1284136), (14, 917240), (16, 802585), (20, 642068), (23, 558320), (28, 458620), (35, 366896), (40, 321034), (46, 279160), (56, 229310), (70, 183448), (80, 160517), (92, 139580), (112, 114655), (115, 111664), (140, 91724), (161, 79760), (184, 69790), (230, 55832), (280, 45862), (322, 39880), (368, 34895), (460, 27916), (560, 22931), (644, 19940), (805, 15952), (920, 13958), (997, 12880), (1288, 9970), (1610, 7976), (1840, 6979), (1994, 6440), (2576, 4985), (3220, 3988)]