72419120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22079}}^1$

素因数の和:22133

約数の個数: 40

約数和(自身を含む): 172488960

約数和(自身を除く): 100069840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 22079, 44158, 88316, 110395, 176632, 220790, 353264, 441580, 883160, 905239, 1766320, 1810478, 3620956, 4526195, 7241912, 9052390, 14483824, 18104780, 36209560, 72419120]

約数ペア:

[(1, 72419120), (2, 36209560), (4, 18104780), (5, 14483824), (8, 9052390), (10, 7241912), (16, 4526195), (20, 3620956), (40, 1810478), (41, 1766320), (80, 905239), (82, 883160), (164, 441580), (205, 353264), (328, 220790), (410, 176632), (656, 110395), (820, 88316), (1640, 44158), (3280, 22079)]