82409650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 162489600

約数和(自身を除く): 80079950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 223, 389, 446, 475, 778, 950, 1115, 1945, 2230, 3890, 4237, 5575, 7391, 8474, 9725, 11150, 14782, 19450, 21185, 36955, 42370, 73910, 86747, 105925, 173494, 184775, 211850, 369550, 433735, 867470, 1648193, 2168675, 3296386, 4337350, 8240965, 16481930, 41204825, 82409650]

約数ペア:

[(1, 82409650), (2, 41204825), (5, 16481930), (10, 8240965), (19, 4337350), (25, 3296386), (38, 2168675), (50, 1648193), (95, 867470), (190, 433735), (223, 369550), (389, 211850), (446, 184775), (475, 173494), (778, 105925), (950, 86747), (1115, 73910), (1945, 42370), (2230, 36955), (3890, 21185), (4237, 19450), (5575, 14782), (7391, 11150), (8474, 9725)]