40815628

素因数分解:

$2^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 84672000

約数和(自身を除く): 43856372

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 343, 419, 497, 686, 838, 994, 1372, 1676, 1988, 2933, 3479, 5866, 6958, 11732, 13916, 20531, 24353, 29749, 41062, 48706, 59498, 82124, 97412, 118996, 143717, 208243, 287434, 416486, 574868, 832972, 1457701, 2915402, 5830804, 10203907, 20407814, 40815628]

約数ペア:

[(1, 40815628), (2, 20407814), (4, 10203907), (7, 5830804), (14, 2915402), (28, 1457701), (49, 832972), (71, 574868), (98, 416486), (142, 287434), (196, 208243), (284, 143717), (343, 118996), (419, 97412), (497, 82124), (686, 59498), (838, 48706), (994, 41062), (1372, 29749), (1676, 24353), (1988, 20531), (2933, 13916), (3479, 11732), (5866, 6958)]