72691120

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2903}}^1$

素因数の和:3229

約数の個数: 40

約数和(自身を含む): 169605216

約数和(自身を除く): 96914096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2903, 3130, 5008, 5806, 6260, 11612, 12520, 14515, 23224, 25040, 29030, 46448, 58060, 116120, 232240, 908639, 1817278, 3634556, 4543195, 7269112, 9086390, 14538224, 18172780, 36345560, 72691120]

約数ペア:

[(1, 72691120), (2, 36345560), (4, 18172780), (5, 14538224), (8, 9086390), (10, 7269112), (16, 4543195), (20, 3634556), (40, 1817278), (80, 908639), (313, 232240), (626, 116120), (1252, 58060), (1565, 46448), (2504, 29030), (2903, 25040), (3130, 23224), (5008, 14515), (5806, 12520), (6260, 11612)]