80734100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 181113408

約数和(自身を除く): 100379308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 83, 100, 137, 142, 166, 274, 284, 332, 355, 415, 548, 685, 710, 830, 1370, 1420, 1660, 1775, 2075, 2740, 3425, 3550, 4150, 5893, 6850, 7100, 8300, 9727, 11371, 11786, 13700, 19454, 22742, 23572, 29465, 38908, 45484, 48635, 56855, 58930, 97270, 113710, 117860, 147325, 194540, 227420, 243175, 284275, 294650, 486350, 568550, 589300, 807341, 972700, 1137100, 1614682, 3229364, 4036705, 8073410, 16146820, 20183525, 40367050, 80734100]

約数ペア:

[(1, 80734100), (2, 40367050), (4, 20183525), (5, 16146820), (10, 8073410), (20, 4036705), (25, 3229364), (50, 1614682), (71, 1137100), (83, 972700), (100, 807341), (137, 589300), (142, 568550), (166, 486350), (274, 294650), (284, 284275), (332, 243175), (355, 227420), (415, 194540), (548, 147325), (685, 117860), (710, 113710), (830, 97270), (1370, 58930), (1420, 56855), (1660, 48635), (1775, 45484), (2075, 38908), (2740, 29465), (3425, 23572), (3550, 22742), (4150, 19454), (5893, 13700), (6850, 11786), (7100, 11371), (8300, 9727)]