84951280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55889}}^1$

素因数の和:55921

約数の個数: 40

約数和(自身を含む): 207910800

約数和(自身を除く): 122959520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 55889, 111778, 223556, 279445, 447112, 558890, 894224, 1061891, 1117780, 2123782, 2235560, 4247564, 4471120, 5309455, 8495128, 10618910, 16990256, 21237820, 42475640, 84951280]

約数ペア:

[(1, 84951280), (2, 42475640), (4, 21237820), (5, 16990256), (8, 10618910), (10, 8495128), (16, 5309455), (19, 4471120), (20, 4247564), (38, 2235560), (40, 2123782), (76, 1117780), (80, 1061891), (95, 894224), (152, 558890), (190, 447112), (304, 279445), (380, 223556), (760, 111778), (1520, 55889)]